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package com.codename1.ui.layouts.mig;

import com.codename1.ui.Display;
import java.lang.ref.WeakReference;
import java.util.*;
/*
 * License (BSD):
 * ==============
 *
 * Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this list
 * of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this
 * list of conditions and the following disclaimer in the documentation and/or other
 * materials provided with the distribution.
 * Neither the name of the MiG InfoCom AB nor the names of its contributors may be
 * used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * @version 1.0
 * @author Mikael Grev, MiG InfoCom AB
 *         Date: 2006-sep-08
 */

/**
 * Holds components in a grid. Does most of the logic behind the layout manager.
 */
public final class Grid {

    public static final boolean TEST_GAPS = true;

    private static final Float[] GROW_100 = new Float[]{ResizeConstraint.WEIGHT_100};

    private static final DimConstraint DOCK_DIM_CONSTRAINT = new DimConstraint();

    static {
        DOCK_DIM_CONSTRAINT.setGrowPriority(0);
    }

    /**
     * This is the maximum grid position for "normal" components. Docking
     * components use the space out to MAX_DOCK_GRID and below 0.
     */
    private static final int MAX_GRID = 30000;

    /**
     * Docking components will use the grid coordinates
     * -MAX_DOCK_GRID -> 0 and
     * MAX_GRID -> MAX_DOCK_GRID.
     */
    private static final int MAX_DOCK_GRID = 32767;

    /**
     * A constraint used for gaps.
     */
    private static final ResizeConstraint GAP_RC_CONST = new ResizeConstraint(200, ResizeConstraint.WEIGHT_100, 50, null);
    private static final ResizeConstraint GAP_RC_CONST_PUSH = new ResizeConstraint(200, ResizeConstraint.WEIGHT_100, 50, ResizeConstraint.WEIGHT_100);

    /**
     * Used for components that doesn't have a CC set. Not that it's really
     * really important that the CC is never changed in this Grid class.
     */
    private static final CC DEF_CC = new CC();

    /**
     * The constraints. Never null.
     */
    private final LC lc;

    /**
     * The parent that is layout out and this grid is done for. Never
     * null.
     */
    private final ContainerWrapper container;

    /**
     * An x, y array implemented as a sparse array to accommodate for any grid
     * size without wasting memory (or rather 15 bit (0-MAX_GRID * 0-MAX_GRID).
     */
    private final LinkedHashMap grid = new LinkedHashMap();   // [(y << 16) + x] -> Cell. null key for absolute positioned compwraps

    private HashMap wrapGapMap = null;   // Row or Column index depending in the dimension that "wraps". Normally row indexes but may be column indexes if "flowy". 0 means before first row/col.

    /**
     * The size of the grid. Row count and column count.
     */
    private final TreeSet rowIndexes = new TreeSet(), colIndexes = new TreeSet();

    /**
     * The row and column specifications.
     */
    private final AC rowConstr, colConstr;

    /**
     * The in the constructor calculated min/pref/max sizes of the rows and
     * columns.
     */
    private FlowSizeSpec colFlowSpecs = null, rowFlowSpecs = null;

    /**
     * Components that are connections in one dimension (such as baseline
     * alignment for instance) are grouped together and stored here. One for
     * each row/column.
     */
    private final ArrayList[] colGroupLists, rowGroupLists;   //[(start)row/col number]

    /**
     * The in the constructor calculated min/pref/max size of the whole grid.
     */
    private int[] width = null, height = null;

    /**
     * If debug is on contains the bounds for things to paint when calling
     * {@link ContainerWrapper#paintDebugCell(int, int, int, int)}
     */
    private ArrayList debugRects = null; // [x, y, width, height]

    /**
     * If any of the absolute coordinates for component bounds has links the
     * name of the target is in this Set. Since it requires some memory and
     * computations this is checked at the creation so that the link information
     * is only created if needed later.
     * 

* The boolean is true for groups id:s and null for normal id:s. */ private HashMap linkTargetIDs = null; private final int dockOffY, dockOffX; private final Float[] pushXs, pushYs; private final ArrayList callbackList; /** * Constructor. * * @param container The container that will be laid out. * @param lc The form flow constraints. * @param rowConstr The rows specifications. If more cell rows are required, * the last element will be used for when there is no corresponding element * in this array. * @param colConstr The columns specifications. If more cell rows are * required, the last element will be used for when there is no * corresponding element in this array. * @param ccMap The map containing the parsed constraints for each child * component of parent. Will not be altered. Can have null CC * which will use a common cached one. * @param callbackList A list of callbacks or null if none. * Will not be altered. */ public Grid(ContainerWrapper container, LC lc, AC rowConstr, AC colConstr, Map ccMap, ArrayList callbackList) { // System.out.println("new grid!"); this.lc = lc; this.rowConstr = rowConstr; this.colConstr = colConstr; this.container = container; this.callbackList = callbackList; int wrap = lc.getWrapAfter() != 0 ? lc.getWrapAfter() : (lc.isFlowX() ? colConstr : rowConstr).getConstaints().length; boolean useVisualPadding = lc.isVisualPadding(); final ComponentWrapper[] comps = container.getComponents(); boolean hasTagged = false; // So we do not have to sort if it will not do any good boolean hasPushX = false, hasPushY = false; boolean hitEndOfRow = false; final int[] cellXY = new int[2]; final ArrayList spannedRects = new ArrayList(2); final DimConstraint[] specs = (lc.isFlowX() ? rowConstr : colConstr).getConstaints(); int sizeGroupsX = 0, sizeGroupsY = 0; int[] dockInsets = null; // top, left, bottom, right insets for docks. LinkHandler.clearTemporaryBounds(container.getLayout()); for (int i = 0; i < comps.length;) { ComponentWrapper comp = comps[i]; CC rootCc = getCC(comp, ccMap); addLinkIDs(rootCc); int hideMode = comp.isVisible() ? -1 : rootCc.getHideMode() != -1 ? rootCc.getHideMode() : lc.getHideMode(); if (hideMode == 3) { // To work with situations where there are components that does not have a layout manager, or not this one. setLinkedBounds(comp, rootCc, comp.getX(), comp.getY(), comp.getWidth(), comp.getHeight(), rootCc.isExternal()); i++; continue; // The "external" component should not be handled further. } if (rootCc.getHorizontal().getSizeGroup() != null) { sizeGroupsX++; } if (rootCc.getVertical().getSizeGroup() != null) { sizeGroupsY++; } // Special treatment of absolute positioned components. if (getPos(comp, rootCc) != null || rootCc.isExternal()) { CompWrap cw = new CompWrap(comp, rootCc, hideMode, useVisualPadding); Cell cell = grid.get(null); if (cell == null) { grid.put(null, new Cell(cw)); } else { cell.compWraps.add(cw); } if (!rootCc.isBoundsInGrid() || rootCc.isExternal()) { setLinkedBounds(comp, rootCc, comp.getX(), comp.getY(), comp.getWidth(), comp.getHeight(), rootCc.isExternal()); i++; continue; } } if (rootCc.getDockSide() != -1) { if (dockInsets == null) { dockInsets = new int[]{-MAX_DOCK_GRID, -MAX_DOCK_GRID, MAX_DOCK_GRID, MAX_DOCK_GRID}; } addDockingCell(dockInsets, rootCc.getDockSide(), new CompWrap(comp, rootCc, hideMode, useVisualPadding)); i++; continue; } Boolean cellFlowX = rootCc.getFlowX(); Cell cell = null; if (rootCc.isNewline()) { wrap(cellXY, rootCc.getNewlineGapSize()); } else if (hitEndOfRow) { wrap(cellXY, null); } hitEndOfRow = false; final boolean rowNoGrid = lc.isNoGrid() || ((DimConstraint) LayoutUtil.getIndexSafe(specs, lc.isFlowX() ? cellXY[1] : cellXY[0])).isNoGrid(); // Move to a free y, x if no absolute grid specified int cx = rootCc.getCellX(); int cy = rootCc.getCellY(); if ((cx < 0 || cy < 0) && rowNoGrid == false && rootCc.getSkip() == 0) { // 3.7.2: If skip, don't find an empty cell first. while (isCellFree(cellXY[1], cellXY[0], spannedRects) == false) { if (Math.abs(increase(cellXY, 1)) >= wrap) { wrap(cellXY, null); } } } else { if (cx >= 0 && cy >= 0) { if (cy >= 0) { cellXY[0] = cx; cellXY[1] = cy; } else { // Only one coordinate is specified. Use the current row (flowx) or column (flowy) to fill in. if (lc.isFlowX()) { cellXY[0] = cx; } else { cellXY[1] = cx; } } } cell = getCell(cellXY[1], cellXY[0]); // Might be null } // Skip a number of cells. Changed for 3.6.1 to take wrap into account and thus "skip" to the next and possibly more rows. for (int s = 0, skipCount = rootCc.getSkip(); s < skipCount; s++) { do { if (Math.abs(increase(cellXY, 1)) >= wrap) { wrap(cellXY, null); } } while (isCellFree(cellXY[1], cellXY[0], spannedRects) == false); } // If cell is not created yet, create it and set it. if (cell == null) { int spanx = Math.min(rowNoGrid && lc.isFlowX() ? LayoutUtil.INF : rootCc.getSpanX(), MAX_GRID - cellXY[0]); int spany = Math.min(rowNoGrid && !lc.isFlowX() ? LayoutUtil.INF : rootCc.getSpanY(), MAX_GRID - cellXY[1]); cell = new Cell(spanx, spany, cellFlowX != null ? cellFlowX : lc.isFlowX()); setCell(cellXY[1], cellXY[0], cell); // Add a rectangle so we can know that spanned cells occupy more space. if (spanx > 1 || spany > 1) { spannedRects.add(new int[]{cellXY[0], cellXY[1], spanx, spany}); } } // Add the one, or all, components that split the grid position to the same Cell. boolean wrapHandled = false; int splitLeft = rowNoGrid ? LayoutUtil.INF : rootCc.getSplit() - 1; boolean splitExit = false; final boolean spanRestOfRow = (lc.isFlowX() ? rootCc.getSpanX() : rootCc.getSpanY()) == LayoutUtil.INF; for (; splitLeft >= 0 && i < comps.length; splitLeft--) { ComponentWrapper compAdd = comps[i]; CC cc = getCC(compAdd, ccMap); addLinkIDs(cc); boolean visible = compAdd.isVisible(); hideMode = visible ? -1 : cc.getHideMode() != -1 ? cc.getHideMode() : lc.getHideMode(); if (cc.isExternal() || hideMode == 3) { i++; splitLeft++; // Added for 3.5.5 so that these components does not "take" a split slot. continue; // To work with situations where there are components that does not have a layout manager, or not this one. } hasPushX |= (visible || hideMode > 1) && (cc.getPushX() != null); hasPushY |= (visible || hideMode > 1) && (cc.getPushY() != null); if (cc != rootCc) { // If not first in a cell if (cc.isNewline() || cc.isBoundsInGrid() == false || cc.getDockSide() != -1) { break; } if (splitLeft > 0 && cc.getSkip() > 0) { splitExit = true; break; } // pos = getPos(compAdd, cc); // cbSz = getCallbackSize(compAdd); } CompWrap cw = new CompWrap(compAdd, cc, hideMode, useVisualPadding); cell.compWraps.add(cw); cell.hasTagged |= cc.getTag() != null; hasTagged |= cell.hasTagged; if (cc != rootCc) { if (cc.getHorizontal().getSizeGroup() != null) { sizeGroupsX++; } if (cc.getVertical().getSizeGroup() != null) { sizeGroupsY++; } } i++; if ((cc.isWrap() || (spanRestOfRow && splitLeft == 0))) { if (cc.isWrap()) { wrap(cellXY, cc.getWrapGapSize()); } else { hitEndOfRow = true; } wrapHandled = true; break; } } if (wrapHandled == false && rowNoGrid == false) { int span = lc.isFlowX() ? cell.spanx : cell.spany; if (Math.abs((lc.isFlowX() ? cellXY[0] : cellXY[1])) + span >= wrap) { hitEndOfRow = true; } else { increase(cellXY, splitExit ? span - 1 : span); } } } // If there were size groups, calculate the largest values in the groups (for min/pref/max) and enforce them on the rest in the group. if (sizeGroupsX > 0 || sizeGroupsY > 0) { HashMap sizeGroupMapX = sizeGroupsX > 0 ? new HashMap(sizeGroupsX) : null; HashMap sizeGroupMapY = sizeGroupsY > 0 ? new HashMap(sizeGroupsY) : null; ArrayList sizeGroupCWs = new ArrayList(Math.max(sizeGroupsX, sizeGroupsY)); for (Cell cell : grid.values()) { for (int i = 0; i < cell.compWraps.size(); i++) { CompWrap cw = cell.compWraps.get(i); String sgx = cw.cc.getHorizontal().getSizeGroup(); String sgy = cw.cc.getVertical().getSizeGroup(); if (sgx != null || sgy != null) { if (sgx != null && sizeGroupMapX != null) { addToSizeGroup(sizeGroupMapX, sgx, cw.getSizes(true)); } if (sgy != null && sizeGroupMapY != null) { addToSizeGroup(sizeGroupMapY, sgy, cw.getSizes(false)); } sizeGroupCWs.add(cw); } } } // Set/equalize the sizeGroups to same the values. for (CompWrap cw : sizeGroupCWs) { if (sizeGroupMapX != null) { cw.setForcedSizes(sizeGroupMapX.get(cw.cc.getHorizontal().getSizeGroup()), true); // Target method handles null sizes } if (sizeGroupMapY != null) { cw.setForcedSizes(sizeGroupMapY.get(cw.cc.getVertical().getSizeGroup()), false); // Target method handles null sizes } } } // Component loop if (hasTagged) { sortCellsByPlatform(grid.values(), container); } // Calculate gaps now that the cells are filled and we know all adjacent components. boolean ltr = LayoutUtil.isLeftToRight(lc, container); for (Cell cell : grid.values()) { ArrayList cws = cell.compWraps; for (int i = 0, lastI = cws.size() - 1; i <= lastI; i++) { CompWrap cw = cws.get(i); ComponentWrapper cwBef = i > 0 ? cws.get(i - 1).comp : null; ComponentWrapper cwAft = i < lastI ? cws.get(i + 1).comp : null; String tag = getCC(cw.comp, ccMap).getTag(); CC ccBef = cwBef != null ? getCC(cwBef, ccMap) : null; CC ccAft = cwAft != null ? getCC(cwAft, ccMap) : null; cw.calcGaps(cwBef, ccBef, cwAft, ccAft, tag, cell.flowx, ltr); } } dockOffX = getDockInsets(colIndexes); dockOffY = getDockInsets(rowIndexes); // Add synthetic indexes for empty rows and columns so they can get a size for (int i = 0, iSz = rowConstr.getCount(); i < iSz; i++) { rowIndexes.add(new Integer(i)); } for (int i = 0, iSz = colConstr.getCount(); i < iSz; i++) { colIndexes.add(new Integer(i)); } colGroupLists = divideIntoLinkedGroups(false); rowGroupLists = divideIntoLinkedGroups(true); pushXs = hasPushX || lc.isFillX() ? getDefaultPushWeights(false) : null; pushYs = hasPushY || lc.isFillY() ? getDefaultPushWeights(true) : null; if (LayoutUtil.isDesignTime(container)) { saveGrid(container, grid); } } private static CC getCC(ComponentWrapper comp, Map ccMap) { CC cc = ccMap.get(comp); return cc != null ? cc : DEF_CC; } private void addLinkIDs(CC cc) { String[] linkIDs = cc.getLinkTargets(); for (String linkID : linkIDs) { if (linkTargetIDs == null) { linkTargetIDs = new HashMap(); } linkTargetIDs.put(linkID, null); } } /** * If the container (parent) that this grid is laying out has changed its * bounds, call this method to clear any cached values min/pref/max sizes of * the components and rows/columns. *

* If any component can have changed cell the grid needs to be recreated. */ public void invalidateContainerSize() { colFlowSpecs = null; invalidateComponentSizes(); } private void invalidateComponentSizes() { for (Cell cell : grid.values()) { for (CompWrap compWrap : cell.compWraps) { compWrap.invalidateSizes(); } } } /** * @deprecated since 5.0 Last boolean is not needed and is gotten from the * new {@link net.miginfocom.layout.ComponentWrapper#getContentBias()} * instead; */ public boolean layout(int[] bounds, UnitValue alignX, UnitValue alignY, boolean debug, boolean notUsed) { return layoutImpl(bounds, alignX, alignY, debug, false); } /** * Does the actual layout. Uses many values calculated in the constructor. * * @param bounds The bounds to layout against. Normally that of the parent. * [x, y, width, height]. * @param alignX The alignment for the x-axis. Can be null. * @param alignY The alignment for the y-axis. Can be null. * @param debug If debug information should be saved in {@link #debugRects}. * @return If the layout has changed the preferred size and there is need * for a new layout. This can happen if one or more components in the grid * has a content bias according to * {@link net.miginfocom.layout.ComponentWrapper#getContentBias()}. * @since 5.0 */ public boolean layout(int[] bounds, UnitValue alignX, UnitValue alignY, boolean debug) { return layoutImpl(bounds, alignX, alignY, debug, false); } /** * Does the actual layout. Uses many values calculated in the constructor. * * @param bounds The bounds to layout against. Normally that of the parent. * [x, y, width, height]. * @param alignX The alignment for the x-axis. Can be null. * @param alignY The alignment for the y-axis. Can be null. * @param debug If debug information should be saved in {@link #debugRects}. * @param trialRun If true the bounds calculated will not be transferred to * the components. Only the internal size of the components will be * calculated. * @return If the layout has changed the preferred size and there is need * for a new layout. This can happen if one or more components in the grid * has a content bias according to * {@link net.miginfocom.layout.ComponentWrapper#getContentBias()}. * @since 5.0 */ private boolean layoutImpl(int[] bounds, UnitValue alignX, UnitValue alignY, boolean debug, boolean trialRun) { if (debug) { debugRects = new ArrayList(); } if (colFlowSpecs == null) { checkSizeCalcs(bounds[2], bounds[3]); } resetLinkValues(true, true); layoutInOneDim(bounds[2], alignX, false, pushXs); layoutInOneDim(bounds[3], alignY, true, pushYs); HashMap endGrpXMap = null, endGrpYMap = null; int compCount = container.getComponentCount(); // Transfer the calculated bound from the ComponentWrappers to the actual Components. boolean addVisualPadding = lc.isVisualPadding(); boolean layoutAgain = false; if (compCount > 0) { for (int j = 0; j < (linkTargetIDs != null ? 2 : 1); j++) { // First do the calculations (maybe more than once) then set the bounds when done boolean doAgain; int count = 0; do { doAgain = false; for (Cell cell : grid.values()) { ArrayList compWraps = cell.compWraps; for (CompWrap cw : compWraps) { if (j == 0) { doAgain |= doAbsoluteCorrections(cw, bounds); if (!doAgain) { // If we are going to do this again, do not bother this time around if (cw.cc.getHorizontal().getEndGroup() != null) { endGrpXMap = addToEndGroup(endGrpXMap, cw.cc.getHorizontal().getEndGroup(), cw.x + cw.w); } if (cw.cc.getVertical().getEndGroup() != null) { endGrpYMap = addToEndGroup(endGrpYMap, cw.cc.getVertical().getEndGroup(), cw.y + cw.h); } } // @since 3.7.2 Needed or absolute "pos" pointing to "visual" or "container" didn't work if // their bounds changed during the layout cycle. At least not in SWT. if (linkTargetIDs != null && (linkTargetIDs.containsKey("visual") || linkTargetIDs.containsKey("container"))) { layoutAgain = true; } } if (linkTargetIDs == null || j == 1) { if (cw.cc.getHorizontal().getEndGroup() != null) { cw.w = endGrpXMap.get(cw.cc.getHorizontal().getEndGroup()) - cw.x; } if (cw.cc.getVertical().getEndGroup() != null) { cw.h = endGrpYMap.get(cw.cc.getVertical().getEndGroup()) - cw.y; } cw.x += bounds[0]; cw.y += bounds[1]; if (!trialRun) { cw.transferBounds(addVisualPadding); } if (callbackList != null) { for (LayoutCallback callback : callbackList) { callback.correctBounds(cw.comp); } } } } } clearGroupLinkBounds(); if (++count > ((compCount << 3) + 10)) { System.err.println("Unstable cyclic dependency in absolute linked values!"); break; } } while (doAgain); } } // Add debug shapes for the "cells". Use the CompWraps as base for inding the cells. if (debug) { for (Cell cell : grid.values()) { ArrayList compWraps = cell.compWraps; for (CompWrap cw : compWraps) { LinkedDimGroup hGrp = getGroupContaining(colGroupLists, cw); LinkedDimGroup vGrp = getGroupContaining(rowGroupLists, cw); if (hGrp != null && vGrp != null) { debugRects.add(new int[]{hGrp.lStart + bounds[0] - (hGrp.fromEnd ? hGrp.lSize : 0), vGrp.lStart + bounds[1] - (vGrp.fromEnd ? vGrp.lSize : 0), hGrp.lSize, vGrp.lSize}); } } } } return layoutAgain; } public void paintDebug() { if (debugRects != null) { container.paintDebugOutline(lc.isVisualPadding()); ArrayList painted = new ArrayList(); for (int[] r : debugRects) { if (!painted.contains(r)) { container.paintDebugCell(r[0], r[1], r[2], r[3]); painted.add(r); } } for (Cell cell : grid.values()) { ArrayList compWraps = cell.compWraps; for (CompWrap compWrap : compWraps) { compWrap.comp.paintDebugOutline(lc.isVisualPadding()); } } } } public ContainerWrapper getContainer() { return container; } public final int[] getWidth() { return getWidth(lastRefHeight); } public final int[] getWidth(int refHeight) { checkSizeCalcs(lastRefWidth, refHeight); return width; } public final int[] getHeight() { return getHeight(lastRefWidth); } public final int[] getHeight(int refWidth) { checkSizeCalcs(refWidth, lastRefHeight); return height; } private int lastRefWidth = 0, lastRefHeight = 0; private void checkSizeCalcs(int refWidth, int refHeight) { if (colFlowSpecs == null) { calcGridSizes(refWidth, refHeight); } if ((refWidth > 0 && refWidth != lastRefWidth) || (refHeight > 0 && refHeight != lastRefHeight)) { // System.out.println("prelayout for w: " + refWidth + ", h: " + refHeight); int[] refBounds = new int[]{0, 0, (refWidth > 0 ? refWidth : width[LayoutUtil.PREF]), (refHeight > 0 ? refHeight : height[LayoutUtil.PREF])}; layoutImpl(refBounds, null, null, false, true); calcGridSizes(refWidth, refHeight); } lastRefWidth = refWidth; lastRefHeight = refHeight; } private void calcGridSizes(int refWidth, int refHeight) { // System.out.println("REcalc grid size for w: " + refWidth + ", h: " + refHeight); colFlowSpecs = calcRowsOrColsSizes(true, refWidth); rowFlowSpecs = calcRowsOrColsSizes(false, refHeight); width = getMinPrefMaxSumSize(true); height = getMinPrefMaxSumSize(false); if (linkTargetIDs == null) { resetLinkValues(false, true); } else { // This call makes some components flicker on SWT. They get their bounds changed twice since // the change might affect the absolute size adjustment below. There's no way around this that // I know of. layout(new int[4], null, null, false); resetLinkValues(false, false); } adjustSizeForAbsolute(true); adjustSizeForAbsolute(false); } private UnitValue[] getPos(ComponentWrapper cw, CC cc) { UnitValue[] callbackPos = null; if (callbackList != null) { for (int i = 0; i < callbackList.size() && callbackPos == null; i++) { callbackPos = callbackList.get(i).getPosition(cw); // NOT a copy! } } // If one is null, return the other (which many also be null) UnitValue[] ccPos = cc.getPos(); // A copy!! if (callbackPos == null || ccPos == null) { return callbackPos != null ? callbackPos : ccPos; } // Merge for (int i = 0; i < 4; i++) { UnitValue cbUv = callbackPos[i]; if (cbUv != null) { ccPos[i] = cbUv; } } return ccPos; } private BoundSize[] getCallbackSize(ComponentWrapper cw) { if (callbackList != null) { for (LayoutCallback callback : callbackList) { BoundSize[] bs = callback.getSize(cw); // NOT a copy! if (bs != null) { return bs; } } } return null; } private static int getDockInsets(TreeSet set) { int c = 0; for (Integer i : set) { if (i < -MAX_GRID) { c++; } else { break; // Since they are sorted we can break } } return c; } /** * @param cw Never null. * @param cc Never null. * @param external The bounds should be stored even if they are not in * {@link #linkTargetIDs}. * @return If a change has been made. */ private boolean setLinkedBounds(ComponentWrapper cw, CC cc, int x, int y, int w, int h, boolean external) { String id = cc.getId() != null ? cc.getId() : cw.getLinkId(); if (id == null) { return false; } String gid = null; int grIx = id.indexOf('.'); if (grIx != -1) { gid = id.substring(0, grIx); id = id.substring(grIx + 1); } Object lay = container.getLayout(); boolean changed = false; if (external || (linkTargetIDs != null && linkTargetIDs.containsKey(id))) { changed = LinkHandler.setBounds(lay, id, x, y, w, h, !external, false); } if (gid != null && (external || (linkTargetIDs != null && linkTargetIDs.containsKey(gid)))) { if (linkTargetIDs == null) { linkTargetIDs = new HashMap(4); } linkTargetIDs.put(gid, Boolean.TRUE); changed |= LinkHandler.setBounds(lay, gid, x, y, w, h, !external, true); } return changed; } /** * Go to next cell. * * @param p The point to increase * @param cnt How many cells to advance. * @return The new value in the "incresing" dimension. */ private int increase(int[] p, int cnt) { return lc.isFlowX() ? (p[0] += cnt) : (p[1] += cnt); } /** * Wraps to the next row or column depending on if horizontal flow or * vertical flow is used. * * @param cellXY The point to wrap and thus set either x or y to 0 and * increase the other one. * @param gapSize The gaps size specified in a "wrap XXX" or "newline XXX" * or null if none. */ private void wrap(int[] cellXY, BoundSize gapSize) { boolean flowx = lc.isFlowX(); cellXY[0] = flowx ? 0 : cellXY[0] + 1; cellXY[1] = flowx ? cellXY[1] + 1 : 0; if (gapSize != null) { if (wrapGapMap == null) { wrapGapMap = new HashMap(8); } wrapGapMap.put(new Integer(cellXY[flowx ? 1 : 0]), gapSize); } // add the row/column so that the gap in the last row/col will not be removed. if (flowx) { rowIndexes.add(new Integer(cellXY[1])); } else { colIndexes.add(new Integer(cellXY[0])); } } /** * Sort components (normally buttons in a button bar) so they appear in the * correct order. * * @param cells The cells to sort. * @param parent The parent. */ private static void sortCellsByPlatform(Collection cells, ContainerWrapper parent) { String order = PlatformDefaults.getButtonOrder(); String orderLo = order.toLowerCase(); int unrelSize = PlatformDefaults.convertToPixels(1, "u", true, 0, parent, null); if (unrelSize == UnitConverter.UNABLE) { throw new IllegalArgumentException("'unrelated' not recognized by PlatformDefaults!"); } int[] gapUnrel = new int[]{unrelSize, unrelSize, LayoutUtil.NOT_SET}; int[] flGap = new int[]{0, 0, LayoutUtil.NOT_SET}; for (Cell cell : cells) { if (cell.hasTagged == false) { continue; } CompWrap prevCW = null; boolean nextUnrel = false; boolean nextPush = false; ArrayList sortedList = new ArrayList(cell.compWraps.size()); for (int i = 0, iSz = orderLo.length(); i < iSz; i++) { char c = orderLo.charAt(i); if (c == '+' || c == '_') { nextUnrel = true; if (c == '+') { nextPush = true; } } else { String tag = PlatformDefaults.getTagForChar(c); if (tag != null) { for (int j = 0, jSz = cell.compWraps.size(); j < jSz; j++) { CompWrap cw = cell.compWraps.get(j); if (tag.equals(cw.cc.getTag())) { if (Character.isUpperCase(order.charAt(i))) { cw.adjustMinHorSizeUp(PlatformDefaults.getMinimumButtonWidth().getPixels(0, parent, cw.comp)); } sortedList.add(cw); if (nextUnrel) { (prevCW != null ? prevCW : cw).mergeGapSizes(gapUnrel, cell.flowx, prevCW == null); if (nextPush) { cw.forcedPushGaps = 1; nextUnrel = false; nextPush = false; } } // "unknown" components will always get an Unrelated gap. if (c == 'u') { nextUnrel = true; } prevCW = cw; } } } } } // If we have a gap that was supposed to push but no more components was found to but the "gap before" then compensate. if (sortedList.size() > 0) { CompWrap cw = sortedList.get(sortedList.size() - 1); if (nextUnrel) { cw.mergeGapSizes(gapUnrel, cell.flowx, false); if (nextPush) { cw.forcedPushGaps |= 2; } } // Remove first and last gap if not set explicitly. if (cw.cc.getHorizontal().getGapAfter() == null) { cw.setGaps(flGap, 3); } cw = sortedList.get(0); if (cw.cc.getHorizontal().getGapBefore() == null) { cw.setGaps(flGap, 1); } } // Exchange the unsorted CompWraps for the sorted one. if (cell.compWraps.size() == sortedList.size()) { cell.compWraps.clear(); } else { cell.compWraps.removeAll(sortedList); } cell.compWraps.addAll(sortedList); } } private Float[] getDefaultPushWeights(boolean isRows) { ArrayList[] groupLists = isRows ? rowGroupLists : colGroupLists; Float[] pushWeightArr = GROW_100; // Only create specific if any of the components have grow. for (int i = 0, ix = 1; i < groupLists.length; i++, ix += 2) { ArrayList grps = groupLists[i]; Float rowPushWeight = null; for (LinkedDimGroup grp : grps) { for (int c = 0; c < grp._compWraps.size(); c++) { CompWrap cw = grp._compWraps.get(c); int hideMode = cw.comp.isVisible() ? -1 : cw.cc.getHideMode() != -1 ? cw.cc.getHideMode() : lc.getHideMode(); Float pushWeight = hideMode < 2 ? (isRows ? cw.cc.getPushY() : cw.cc.getPushX()) : null; if (rowPushWeight == null || (pushWeight != null && pushWeight.floatValue() > rowPushWeight.floatValue())) { rowPushWeight = pushWeight; } } } if (rowPushWeight != null) { if (pushWeightArr == GROW_100) { pushWeightArr = new Float[(groupLists.length << 1) + 1]; } pushWeightArr[ix] = rowPushWeight; } } return pushWeightArr; } private void clearGroupLinkBounds() { if (linkTargetIDs == null) { return; } for (String o : linkTargetIDs.keySet()) { if (linkTargetIDs.get(o) == Boolean.TRUE) { LinkHandler.clearBounds(container.getLayout(), o); } } } private void resetLinkValues(boolean parentSize, boolean compLinks) { Object lay = container.getLayout(); if (compLinks) { LinkHandler.clearTemporaryBounds(lay); } boolean defIns = !hasDocks(); int parW = parentSize ? lc.getWidth().constrain(container.getWidth(), getParentSize(container, true), container) : 0; int parH = parentSize ? lc.getHeight().constrain(container.getHeight(), getParentSize(container, false), container) : 0; int insX = LayoutUtil.getInsets(lc, 0, defIns).getPixels(0, container, null); int insY = LayoutUtil.getInsets(lc, 1, defIns).getPixels(0, container, null); int visW = parW - insX - LayoutUtil.getInsets(lc, 2, defIns).getPixels(0, container, null); int visH = parH - insY - LayoutUtil.getInsets(lc, 3, defIns).getPixels(0, container, null); LinkHandler.setBounds(lay, "visual", insX, insY, visW, visH, true, false); LinkHandler.setBounds(lay, "container", 0, 0, parW, parH, true, false); } /** * Returns the {@link net.miginfocom.layout.Grid.LinkedDimGroup} that has * the {@link net.miginfocom.layout.Grid.CompWrap} cw. * * @param groupLists The lists to search in. * @param cw The component wrap to find. * @return The linked group or null if none had the component * wrap. */ private static LinkedDimGroup getGroupContaining(ArrayList[] groupLists, CompWrap cw) { for (ArrayList groups : groupLists) { for (int j = 0, jSz = groups.size(); j < jSz; j++) { ArrayList cwList = groups.get(j)._compWraps; for (int k = 0, kSz = cwList.size(); k < kSz; k++) { if (cwList.get(k) == cw) { return groups.get(j); } } } } return null; } private boolean doAbsoluteCorrections(CompWrap cw, int[] bounds) { boolean changed = false; int[] stSz = getAbsoluteDimBounds(cw, bounds[2], true); if (stSz != null) { cw.setDimBounds(stSz[0], stSz[1], true); } stSz = getAbsoluteDimBounds(cw, bounds[3], false); if (stSz != null) { cw.setDimBounds(stSz[0], stSz[1], false); } // If there is a link id, store the new bounds. if (linkTargetIDs != null) { changed = setLinkedBounds(cw.comp, cw.cc, cw.x, cw.y, cw.w, cw.h, false); } return changed; } /** * Adjust grid's width or height for the absolute components' positions. */ private void adjustSizeForAbsolute(boolean isHor) { int[] curSizes = isHor ? width : height; Cell absCell = grid.get(null); if (absCell == null || absCell.compWraps.size() == 0) { return; } ArrayList cws = absCell.compWraps; int maxEnd = 0; for (int j = 0, cwSz = absCell.compWraps.size(); j < cwSz + 3; j++) { // "Do Again" max absCell.compWraps.size() + 3 times. boolean doAgain = false; for (int i = 0; i < cwSz; i++) { CompWrap cw = cws.get(i); int[] stSz = getAbsoluteDimBounds(cw, 0, isHor); int end = stSz[0] + stSz[1]; if (maxEnd < end) { maxEnd = end; } // If there is a link id, store the new bounds. if (linkTargetIDs != null) { doAgain |= setLinkedBounds(cw.comp, cw.cc, stSz[0], stSz[0], stSz[1], stSz[1], false); } } if (doAgain == false) { break; } // We need to check this again since the coords may be smaller this round. maxEnd = 0; clearGroupLinkBounds(); } maxEnd += LayoutUtil.getInsets(lc, isHor ? 3 : 2, !hasDocks()).getPixels(0, container, null); if (curSizes[LayoutUtil.MIN] < maxEnd) { curSizes[LayoutUtil.MIN] = maxEnd; } if (curSizes[LayoutUtil.PREF] < maxEnd) { curSizes[LayoutUtil.PREF] = maxEnd; } } private int[] getAbsoluteDimBounds(CompWrap cw, int refSize, boolean isHor) { if (cw.cc.isExternal()) { if (isHor) { return new int[]{cw.comp.getX(), cw.comp.getWidth()}; } else { return new int[]{cw.comp.getY(), cw.comp.getHeight()}; } } UnitValue[] pad = cw.cc.getPadding(); // If no changes do not create a lot of objects UnitValue[] pos = getPos(cw.comp, cw.cc); if (pos == null && pad == null) { return null; } // Set start int st = isHor ? cw.x : cw.y; int sz = isHor ? cw.w : cw.h; // If absolute, use those coordinates instead. if (pos != null) { UnitValue stUV = pos != null ? pos[isHor ? 0 : 1] : null; UnitValue endUV = pos != null ? pos[isHor ? 2 : 3] : null; int minSz = cw.getSize(LayoutUtil.MIN, isHor); int maxSz = cw.getSize(LayoutUtil.MAX, isHor); sz = Math.min(Math.max(cw.getSize(LayoutUtil.PREF, isHor), minSz), maxSz); if (stUV != null) { st = stUV.getPixels(stUV.getUnit() == UnitValue.ALIGN ? sz : refSize, container, cw.comp); if (endUV != null) // if (endUV == null && cw.cc.isBoundsIsGrid() == true) { sz = Math.min(Math.max((isHor ? (cw.x + cw.w) : (cw.y + cw.h)) - st, minSz), maxSz); } } if (endUV != null) { if (stUV != null) { // if (stUV != null || cw.cc.isBoundsIsGrid()) { sz = Math.min(Math.max(endUV.getPixels(refSize, container, cw.comp) - st, minSz), maxSz); } else { st = endUV.getPixels(refSize, container, cw.comp) - sz; } } } // If constraint has padding -> correct the start/size if (pad != null) { UnitValue uv = pad[isHor ? 1 : 0]; int p = uv != null ? uv.getPixels(refSize, container, cw.comp) : 0; st += p; uv = pad[isHor ? 3 : 2]; sz += -p + (uv != null ? uv.getPixels(refSize, container, cw.comp) : 0); } return new int[]{st, sz}; } private void layoutInOneDim(int refSize, UnitValue align, boolean isRows, Float[] defaultPushWeights) { boolean fromEnd = !(isRows ? lc.isTopToBottom() : LayoutUtil.isLeftToRight(lc, container)); DimConstraint[] primDCs = (isRows ? rowConstr : colConstr).getConstaints(); FlowSizeSpec fss = isRows ? rowFlowSpecs : colFlowSpecs; ArrayList[] rowCols = isRows ? rowGroupLists : colGroupLists; int[] rowColSizes = LayoutUtil.calculateSerial(fss.sizes, fss.resConstsInclGaps, defaultPushWeights, LayoutUtil.PREF, refSize); if (LayoutUtil.isDesignTime(container)) { TreeSet indexes = isRows ? rowIndexes : colIndexes; int[] ixArr = new int[indexes.size()]; int ix = 0; for (Integer i : indexes) { ixArr[ix++] = i; } putSizesAndIndexes(container.getComponent(), rowColSizes, ixArr, isRows); } int curPos = align != null ? align.getPixels(refSize - LayoutUtil.sum(rowColSizes), container, null) : 0; if (fromEnd) { curPos = refSize - curPos; } for (int i = 0; i < rowCols.length; i++) { ArrayList linkedGroups = rowCols[i]; int scIx = i - (isRows ? dockOffY : dockOffX); int bIx = i << 1; int bIx2 = bIx + 1; curPos += (fromEnd ? -rowColSizes[bIx] : rowColSizes[bIx]); DimConstraint primDC = scIx >= 0 ? primDCs[scIx >= primDCs.length ? primDCs.length - 1 : scIx] : DOCK_DIM_CONSTRAINT; int rowSize = rowColSizes[bIx2]; for (LinkedDimGroup group : linkedGroups) { int groupSize = rowSize; if (group.span > 1) { groupSize = LayoutUtil.sum(rowColSizes, bIx2, Math.min((group.span << 1) - 1, rowColSizes.length - bIx2 - 1)); } group.layout(primDC, curPos, groupSize, group.span); } curPos += (fromEnd ? -rowSize : rowSize); } } private static void addToSizeGroup(HashMap sizeGroups, String sizeGroup, int[] size) { int[] sgSize = sizeGroups.get(sizeGroup); if (sgSize == null) { sizeGroups.put(sizeGroup, new int[]{size[LayoutUtil.MIN], size[LayoutUtil.PREF], size[LayoutUtil.MAX]}); } else { sgSize[LayoutUtil.MIN] = Math.max(size[LayoutUtil.MIN], sgSize[LayoutUtil.MIN]); sgSize[LayoutUtil.PREF] = Math.max(size[LayoutUtil.PREF], sgSize[LayoutUtil.PREF]); sgSize[LayoutUtil.MAX] = Math.min(size[LayoutUtil.MAX], sgSize[LayoutUtil.MAX]); } } private static HashMap addToEndGroup(HashMap endGroups, String endGroup, int end) { if (endGroup != null) { if (endGroups == null) { endGroups = new HashMap(4); } Integer oldEnd = endGroups.get(endGroup); if (oldEnd == null || end > oldEnd) { endGroups.put(endGroup, new Integer(end)); } } return endGroups; } /** * Calculates Min, Preferred and Max size for the columns OR rows. * * @param isHor If it is the horizontal dimension to calculate. * @param containerSize The reference container size in the dimension. If <= * 0 it will be replaced by the actual container's size. @return The sizes * in a {@link net.miginfocom.layout * .Grid.FlowSizeSpec}. */ private FlowSizeSpec calcRowsOrColsSizes(boolean isHor, int containerSize) { ArrayList[] groupsLists = isHor ? colGroupLists : rowGroupLists; Float[] defPush = isHor ? pushXs : pushYs; if (containerSize <= 0) { containerSize = isHor ? container.getWidth() : container.getHeight(); } BoundSize cSz = isHor ? lc.getWidth() : lc.getHeight(); if (!cSz.isUnset()) { containerSize = cSz.constrain(containerSize, getParentSize(container, isHor), container); } DimConstraint[] primDCs = (isHor ? colConstr : rowConstr).getConstaints(); TreeSet primIndexes = isHor ? colIndexes : rowIndexes; int[][] rowColBoundSizes = new int[primIndexes.size()][]; HashMap sizeGroupMap = new HashMap(4); DimConstraint[] allDCs = new DimConstraint[primIndexes.size()]; Iterator primIt = primIndexes.iterator(); for (int r = 0; r < rowColBoundSizes.length; r++) { int cellIx = primIt.next(); int[] rowColSizes = new int[3]; if (cellIx >= -MAX_GRID && cellIx <= MAX_GRID) { // If not dock cell allDCs[r] = primDCs[cellIx >= primDCs.length ? primDCs.length - 1 : cellIx]; } else { allDCs[r] = DOCK_DIM_CONSTRAINT; } ArrayList groups = groupsLists[r]; int[] groupSizes = new int[]{ getTotalGroupsSizeParallel(groups, LayoutUtil.MIN, false), getTotalGroupsSizeParallel(groups, LayoutUtil.PREF, false), LayoutUtil.INF}; correctMinMax(groupSizes); BoundSize dimSize = allDCs[r].getSize(); for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.MAX; sType++) { int rowColSize = groupSizes[sType]; UnitValue uv = dimSize.getSize(sType); if (uv != null) { // If the size of the column is a link to some other size, use that instead int unit = uv.getUnit(); if (unit == UnitValue.PREF_SIZE) { rowColSize = groupSizes[LayoutUtil.PREF]; } else if (unit == UnitValue.MIN_SIZE) { rowColSize = groupSizes[LayoutUtil.MIN]; } else if (unit == UnitValue.MAX_SIZE) { rowColSize = groupSizes[LayoutUtil.MAX]; } else { rowColSize = uv.getPixels(containerSize, container, null); } } else if (cellIx >= -MAX_GRID && cellIx <= MAX_GRID && rowColSize == 0) { rowColSize = LayoutUtil.isDesignTime(container) ? LayoutUtil.getDesignTimeEmptySize() : 0; // Empty rows with no size set gets XX pixels if design time } rowColSizes[sType] = rowColSize; } correctMinMax(rowColSizes); addToSizeGroup(sizeGroupMap, allDCs[r].getSizeGroup(), rowColSizes); rowColBoundSizes[r] = rowColSizes; } // Set/equalize the size groups to same the values. if (sizeGroupMap.size() > 0) { for (int r = 0; r < rowColBoundSizes.length; r++) { if (allDCs[r].getSizeGroup() != null) { rowColBoundSizes[r] = sizeGroupMap.get(allDCs[r].getSizeGroup()); } } } // Add the gaps ResizeConstraint[] resConstrs = getRowResizeConstraints(allDCs); boolean[] fillInPushGaps = new boolean[allDCs.length + 1]; int[][] gapSizes = getRowGaps(allDCs, containerSize, isHor, fillInPushGaps); FlowSizeSpec fss = mergeSizesGapsAndResConstrs(resConstrs, fillInPushGaps, rowColBoundSizes, gapSizes); // Spanning components are not handled yet. Check and adjust the multi-row min/pref they enforce. adjustMinPrefForSpanningComps(allDCs, defPush, fss, groupsLists); return fss; } private static int getParentSize(ComponentWrapper cw, boolean isHor) { ContainerWrapper p = cw.getParent(); return p != null ? (isHor ? cw.getWidth() : cw.getHeight()) : 0; } private int[] getMinPrefMaxSumSize(boolean isHor) { int[][] sizes = isHor ? colFlowSpecs.sizes : rowFlowSpecs.sizes; int[] retSizes = new int[3]; BoundSize sz = isHor ? lc.getWidth() : lc.getHeight(); for (int i = 0; i < sizes.length; i++) { if (sizes[i] != null) { int[] size = sizes[i]; for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.MAX; sType++) { if (sz.getSize(sType) != null) { if (i == 0) { retSizes[sType] = sz.getSize(sType).getPixels(getParentSize(container, isHor), container, null); } } else { int s = size[sType]; if (s != LayoutUtil.NOT_SET) { if (sType == LayoutUtil.PREF) { int bnd = size[LayoutUtil.MAX]; if (bnd != LayoutUtil.NOT_SET && bnd < s) { s = bnd; } bnd = size[LayoutUtil.MIN]; if (bnd > s) // Includes s == LayoutUtil.NOT_SET since < 0. { s = bnd; } } retSizes[sType] += s; // MAX compensated below. } // So that MAX is always correct. if (size[LayoutUtil.MAX] == LayoutUtil.NOT_SET || retSizes[LayoutUtil.MAX] > LayoutUtil.INF) { retSizes[LayoutUtil.MAX] = LayoutUtil.INF; } } } } } correctMinMax(retSizes); return retSizes; } private static ResizeConstraint[] getRowResizeConstraints(DimConstraint[] specs) { ResizeConstraint[] resConsts = new ResizeConstraint[specs.length]; for (int i = 0; i < resConsts.length; i++) { resConsts[i] = specs[i].resize; } return resConsts; } private static ResizeConstraint[] getComponentResizeConstraints(ArrayList compWraps, boolean isHor) { ResizeConstraint[] resConsts = new ResizeConstraint[compWraps.size()]; for (int i = 0; i < resConsts.length; i++) { CC fc = compWraps.get(i).cc; resConsts[i] = fc.getDimConstraint(isHor).resize; // Always grow docking components in the correct dimension. int dock = fc.getDockSide(); if (isHor ? (dock == 0 || dock == 2) : (dock == 1 || dock == 3)) { ResizeConstraint dc = resConsts[i]; resConsts[i] = new ResizeConstraint(dc.shrinkPrio, dc.shrink, dc.growPrio, ResizeConstraint.WEIGHT_100); } } return resConsts; } private static boolean[] getComponentGapPush(ArrayList compWraps, boolean isHor) { // Make one element bigger and or the after gap with the next before gap. boolean[] barr = new boolean[compWraps.size() + 1]; for (int i = 0; i < barr.length; i++) { boolean push = i > 0 && compWraps.get(i - 1).isPushGap(isHor, false); if (push == false && i < (barr.length - 1)) { push = compWraps.get(i).isPushGap(isHor, true); } barr[i] = push; } return barr; } /** * Returns the row gaps in pixel sizes. One more than there are * specs sent in. * * @param specs * @param refSize * @param isHor * @param fillInPushGaps If the gaps are pushing. NOTE! this argument * will be filled in and thus changed! * @return The row gaps in pixel sizes. One more than there are * specs sent in. */ private int[][] getRowGaps(DimConstraint[] specs, int refSize, boolean isHor, boolean[] fillInPushGaps) { BoundSize defGap = isHor ? lc.getGridGapX() : lc.getGridGapY(); if (defGap == null) { defGap = isHor ? PlatformDefaults.getGridGapX() : PlatformDefaults.getGridGapY(); } int[] defGapArr = defGap.getPixelSizes(refSize, container, null); boolean defIns = !hasDocks(); UnitValue firstGap = LayoutUtil.getInsets(lc, isHor ? 1 : 0, defIns); UnitValue lastGap = LayoutUtil.getInsets(lc, isHor ? 3 : 2, defIns); int[][] retValues = new int[specs.length + 1][]; for (int i = 0, wgIx = 0; i < retValues.length; i++) { DimConstraint specBefore = i > 0 ? specs[i - 1] : null; DimConstraint specAfter = i < specs.length ? specs[i] : null; // No gap if between docking components. boolean edgeBefore = (specBefore == DOCK_DIM_CONSTRAINT || specBefore == null); boolean edgeAfter = (specAfter == DOCK_DIM_CONSTRAINT || specAfter == null); if (edgeBefore && edgeAfter) { continue; } BoundSize wrapGapSize = (wrapGapMap == null || isHor == lc.isFlowX() ? null : wrapGapMap.get(new Integer(wgIx++))); if (wrapGapSize == null) { int[] gapBefore = specBefore != null ? specBefore.getRowGaps(container, null, refSize, false) : null; int[] gapAfter = specAfter != null ? specAfter.getRowGaps(container, null, refSize, true) : null; if (edgeBefore && gapAfter == null && firstGap != null) { int bef = firstGap.getPixels(refSize, container, null); retValues[i] = new int[]{bef, bef, bef}; } else if (edgeAfter && gapBefore == null && firstGap != null) { int aft = lastGap.getPixels(refSize, container, null); retValues[i] = new int[]{aft, aft, aft}; } else { retValues[i] = gapAfter != gapBefore ? mergeSizes(gapAfter, gapBefore) : new int[]{defGapArr[0], defGapArr[1], defGapArr[2]}; } if (specBefore != null && specBefore.isGapAfterPush() || specAfter != null && specAfter.isGapBeforePush()) { fillInPushGaps[i] = true; } } else { if (wrapGapSize.isUnset()) { retValues[i] = new int[]{defGapArr[0], defGapArr[1], defGapArr[2]}; } else { retValues[i] = wrapGapSize.getPixelSizes(refSize, container, null); } fillInPushGaps[i] = wrapGapSize.getGapPush(); } } return retValues; } private static int[][] getGaps(ArrayList compWraps, boolean isHor) { int compCount = compWraps.size(); int[][] retValues = new int[compCount + 1][]; retValues[0] = compWraps.get(0).getGaps(isHor, true); for (int i = 0; i < compCount; i++) { int[] gap1 = compWraps.get(i).getGaps(isHor, false); int[] gap2 = i < compCount - 1 ? compWraps.get(i + 1).getGaps(isHor, true) : null; retValues[i + 1] = mergeSizes(gap1, gap2); } return retValues; } private boolean hasDocks() { return (dockOffX > 0 || dockOffY > 0 || rowIndexes.last() > MAX_GRID || colIndexes.last() > MAX_GRID); } /** * Adjust min/pref size for columns(or rows) that has components that spans * multiple columns (or rows). * * @param specs The specs for the columns or rows. Last index will be used * if count is greater than this array's length. * @param defPush The default grow weight if the specs does not have anyone * that will grow. Comes from "push" in the CC. * @param fss * @param groupsLists */ private void adjustMinPrefForSpanningComps(DimConstraint[] specs, Float[] defPush, FlowSizeSpec fss, ArrayList[] groupsLists) { for (int r = groupsLists.length - 1; r >= 0; r--) { // Since 3.7.3 Iterate from end to start. Will solve some multiple spanning components hard to solve problems. ArrayList groups = groupsLists[r]; for (LinkedDimGroup group : groups) { if (group.span == 1) { continue; } int[] sizes = group.getMinPrefMax(); for (int s = LayoutUtil.MIN; s <= LayoutUtil.PREF; s++) { int cSize = sizes[s]; if (cSize == LayoutUtil.NOT_SET) { continue; } int rowSize = 0; int sIx = (r << 1) + 1; int len = Math.min((group.span << 1), fss.sizes.length - sIx) - 1; for (int j = sIx; j < sIx + len; j++) { int sz = fss.sizes[j][s]; if (sz != LayoutUtil.NOT_SET) { rowSize += sz; } } if (rowSize < cSize && len > 0) { for (int eagerness = 0, newRowSize = 0; eagerness < 4 && newRowSize < cSize; eagerness++) { newRowSize = fss.expandSizes(specs, defPush, cSize, sIx, len, s, eagerness); } } } } } } /** * For one dimension divide the component wraps into logical groups. One * group for component wraps that share a common something, line the * property to layout by base line. * * @param isRows If rows, and not columns, are to be divided. * @return One ArrayList for every row/column. */ private ArrayList[] divideIntoLinkedGroups(boolean isRows) { boolean fromEnd = !(isRows ? lc.isTopToBottom() : LayoutUtil.isLeftToRight(lc, container)); TreeSet primIndexes = isRows ? rowIndexes : colIndexes; TreeSet secIndexes = isRows ? colIndexes : rowIndexes; DimConstraint[] primDCs = (isRows ? rowConstr : colConstr).getConstaints(); @SuppressWarnings("unchecked") ArrayList[] groupLists = new ArrayList[primIndexes.size()]; int gIx = 0; for (int i : primIndexes) { DimConstraint dc; if (i >= -MAX_GRID && i <= MAX_GRID) { // If not dock cell dc = primDCs[i >= primDCs.length ? primDCs.length - 1 : i]; } else { dc = DOCK_DIM_CONSTRAINT; } ArrayList groupList = new ArrayList(4); groupLists[gIx++] = groupList; for (Integer ix : secIndexes) { Cell cell = isRows ? getCell(i, ix) : getCell(ix, i); if (cell == null || cell.compWraps.size() == 0) { continue; } int span = (isRows ? cell.spany : cell.spanx); if (span > 1) { span = convertSpanToSparseGrid(i, span, primIndexes); } boolean isPar = (cell.flowx == isRows); if ((isPar == false && cell.compWraps.size() > 1) || span > 1) { int linkType = isPar ? LinkedDimGroup.TYPE_PARALLEL : LinkedDimGroup.TYPE_SERIAL; LinkedDimGroup lg = new LinkedDimGroup("p," + ix, span, linkType, !isRows, fromEnd); lg.setCompWraps(cell.compWraps); groupList.add(lg); } else { for (int cwIx = 0; cwIx < cell.compWraps.size(); cwIx++) { CompWrap cw = cell.compWraps.get(cwIx); boolean rowBaselineAlign = (isRows && lc.isTopToBottom() && dc.getAlignOrDefault(!isRows) == UnitValue.BASELINE_IDENTITY); // Disable baseline for bottomToTop since I can not verify it working. boolean isBaseline = isRows && cw.isBaselineAlign(rowBaselineAlign); String linkCtx = isBaseline ? "baseline" : null; // Find a group with same link context and put it in that group. boolean foundList = false; for (int glIx = 0, lastGl = groupList.size() - 1; glIx <= lastGl; glIx++) { LinkedDimGroup group = groupList.get(glIx); if (group.linkCtx == linkCtx || linkCtx != null && linkCtx.equals(group.linkCtx)) { group.addCompWrap(cw); foundList = true; break; } } // If none found and at last add a new group. if (foundList == false) { int linkType = isBaseline ? LinkedDimGroup.TYPE_BASELINE : LinkedDimGroup.TYPE_PARALLEL; LinkedDimGroup lg = new LinkedDimGroup(linkCtx, 1, linkType, !isRows, fromEnd); lg.addCompWrap(cw); groupList.add(lg); } } } } } return groupLists; } /** * Spanning is specified in the uncompressed grid number. They can for * instance be more than 60000 for the outer edge dock grid cells. When the * grid is compressed and indexed after only the cells that area occupied * the span is erratic. This method use the row/col indexes and corrects the * span to be correct for the compressed grid. * * @param span The span un the uncompressed grid. * LayoutUtil.INF will be interpreted to span the rest of the * column/row excluding the surrounding docking components. * @param indexes The indexes in the correct dimension. * @return The converted span. */ private static int convertSpanToSparseGrid(int curIx, int span, TreeSet indexes) { int lastIx = curIx + span; int retSpan = 1; for (Integer ix : indexes) { if (ix <= curIx) { continue; // We have not arrived to the correct index yet } if (ix >= lastIx) { break; } retSpan++; } return retSpan; } private boolean isCellFree(int r, int c, ArrayList occupiedRects) { if (getCell(r, c) != null) { return false; } for (int[] rect : occupiedRects) { if (rect[0] <= c && rect[1] <= r && rect[0] + rect[2] > c && rect[1] + rect[3] > r) { return false; } } return true; } private Cell getCell(int r, int c) { return grid.get(new Integer((r << 16) + c)); } private void setCell(int r, int c, Cell cell) { if (c < 0 || r < 0) { throw new IllegalArgumentException("Cell position cannot be negative. row: " + r + ", col: " + c); } if (c > MAX_GRID || r > MAX_GRID) { throw new IllegalArgumentException("Cell position out of bounds. Out of cells. row: " + r + ", col: " + c); } rowIndexes.add(new Integer(r)); colIndexes.add(new Integer(c)); grid.put(new Integer((r << 16) + c), cell); } /** * Adds a docking cell. That cell is outside the normal cell indexes. * * @param dockInsets The current dock insets. Will be updated! * @param side top == 0, left == 1, bottom = 2, right = 3. * @param cw The compwrap to put in a cell and add. */ private void addDockingCell(int[] dockInsets, int side, CompWrap cw) { int r, c, spanx = 1, spany = 1; switch (side) { case 0: case 2: r = side == 0 ? dockInsets[0]++ : dockInsets[2]--; c = dockInsets[1]; spanx = dockInsets[3] - dockInsets[1] + 1; // The +1 is for cell 0. colIndexes.add(new Integer(dockInsets[3])); // Make sure there is a receiving cell break; case 1: case 3: c = side == 1 ? dockInsets[1]++ : dockInsets[3]--; r = dockInsets[0]; spany = dockInsets[2] - dockInsets[0] + 1; // The +1 is for cell 0. rowIndexes.add(new Integer(dockInsets[2])); // Make sure there is a receiving cell break; default: throw new IllegalArgumentException("Internal error 123."); } rowIndexes.add(new Integer(r)); colIndexes.add(new Integer(c)); grid.put(new Integer((r << 16) + c), new Cell(cw, spanx, spany, spanx > 1)); } /** * A simple representation of a cell in the grid. Contains a number of * component wraps, if they span more than one cell. */ private static class Cell { private final int spanx, spany; private final boolean flowx; private final ArrayList compWraps = new ArrayList(2); private boolean hasTagged = false; // If one or more components have styles and need to be checked by the component sorter private Cell(CompWrap cw) { this(cw, 1, 1, true); } private Cell(int spanx, int spany, boolean flowx) { this(null, spanx, spany, flowx); } private Cell(CompWrap cw, int spanx, int spany, boolean flowx) { if (cw != null) { compWraps.add(cw); } this.spanx = spanx; this.spany = spany; this.flowx = flowx; } } /** * A number of component wraps that share a layout "something" in one * dimension */ private static class LinkedDimGroup { private static final int TYPE_SERIAL = 0; private static final int TYPE_PARALLEL = 1; private static final int TYPE_BASELINE = 2; private final String linkCtx; private final int span; private final int linkType; private final boolean isHor, fromEnd; private final ArrayList _compWraps = new ArrayList(4); private int lStart = 0, lSize = 0; // Currently mostly for debug painting private LinkedDimGroup(String linkCtx, int span, int linkType, boolean isHor, boolean fromEnd) { this.linkCtx = linkCtx; this.span = span; this.linkType = linkType; this.isHor = isHor; this.fromEnd = fromEnd; } private void addCompWrap(CompWrap cw) { _compWraps.add(cw); } private void setCompWraps(ArrayList cws) { if (_compWraps != cws) { _compWraps.clear(); _compWraps.addAll(cws); } } private void layout(DimConstraint dc, int start, int size, int spanCount) { lStart = start; lSize = size; if (_compWraps.isEmpty()) { return; } ContainerWrapper parent = _compWraps.get(0).comp.getParent(); if (linkType == TYPE_PARALLEL) { layoutParallel(parent, _compWraps, dc, start, size, isHor, fromEnd); } else if (linkType == TYPE_BASELINE) { layoutBaseline(parent, _compWraps, dc, start, size, LayoutUtil.PREF, spanCount); } else { layoutSerial(parent, _compWraps, dc, start, size, isHor, spanCount, fromEnd); } } /** * Returns the min/pref/max sizes for this cell. Returned array must * not be altered * * @return A shared min/pref/max array of sizes. Always of length 3 and * never null. Will always be of type STATIC and PIXEL. */ private int[] getMinPrefMax() { int[] sizes = new int[3]; if (!_compWraps.isEmpty()) { for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.PREF; sType++) { if (linkType == TYPE_PARALLEL) { sizes[sType] = getTotalSizeParallel(_compWraps, sType, isHor); } else if (linkType == TYPE_BASELINE) { int[] aboveBelow = getBaselineAboveBelow(_compWraps, sType, false); sizes[sType] = aboveBelow[0] + aboveBelow[1]; } else { sizes[sType] = getTotalSizeSerial(_compWraps, sType, isHor); } } sizes[LayoutUtil.MAX] = LayoutUtil.INF; } return sizes; } } /** * Wraps a {@link java.awt.Component} together with its constraint. Caches a * lot of information about the component so for instance not the preferred * size has to be calculated more than once. * * Note! Does not ask the min/pref/max sizes again after the constructor. * This means that */ private final class CompWrap { private final ComponentWrapper comp; private final CC cc; private final int eHideMode; private final boolean useVisualPadding; private boolean sizesOk = false; private boolean isAbsolute; private int[][] gaps; // [top,left(actually before),bottom,right(actually after)][min,pref,max] private final int[] horSizes = new int[3]; private final int[] verSizes = new int[3]; private int x = LayoutUtil.NOT_SET, y = LayoutUtil.NOT_SET, w = LayoutUtil.NOT_SET, h = LayoutUtil.NOT_SET; private int forcedPushGaps = 0; // 1 == before, 2 = after. Bitwise. /** * @param c * @param cc * @param eHideMode Effective hide mode. <= 0 means visible. @param useVis * ualPadding */ private CompWrap(ComponentWrapper c, CC cc, int eHideMode, boolean useVisualPadding) { this.comp = c; this.cc = cc; this.eHideMode = eHideMode; this.useVisualPadding = useVisualPadding; this.isAbsolute = cc.getHorizontal().getSize().isAbsolute() && cc.getVertical().getSize().isAbsolute(); if (eHideMode > 1) { gaps = new int[4][]; for (int i = 0; i < gaps.length; i++) { gaps[i] = new int[3]; } } } private int[] getSizes(boolean isHor) { validateSize(); return isHor ? horSizes : verSizes; } private void validateSize() { BoundSize[] callbackSz = getCallbackSize(comp); if (isAbsolute && sizesOk && callbackSz == null) { return; } if (eHideMode <= 0) { int contentBias = comp.getContentBias(); int sizeHint = contentBias == -1 ? -1 : (contentBias == 0 ? (w != LayoutUtil.NOT_SET ? w : comp.getWidth()) : (h != LayoutUtil.NOT_SET ? h : comp.getHeight())); BoundSize hBS = (callbackSz != null && callbackSz[0] != null) ? callbackSz[0] : cc.getHorizontal().getSize(); BoundSize vBS = (callbackSz != null && callbackSz[1] != null) ? callbackSz[1] : cc.getVertical().getSize(); for (int i = LayoutUtil.MIN; i <= LayoutUtil.MAX; i++) { switch (contentBias) { case -1: // None default: horSizes[i] = getSize(hBS, i, true, useVisualPadding, -1); verSizes[i] = getSize(vBS, i, false, useVisualPadding, -1); break; case 0: // Hor horSizes[i] = getSize(hBS, i, true, useVisualPadding, -1); verSizes[i] = getSize(vBS, i, false, useVisualPadding, sizeHint > 0 ? sizeHint : horSizes[i]); break; case 1: // Ver verSizes[i] = getSize(vBS, i, false, useVisualPadding, -1); horSizes[i] = getSize(hBS, i, true, useVisualPadding, sizeHint > 0 ? sizeHint : verSizes[i]); break; } } correctMinMax(horSizes); correctMinMax(verSizes); } else { Arrays.fill(horSizes, 0); // Needed if component goes from visible -> invisible without recreating the grid. Arrays.fill(verSizes, 0); } sizesOk = true; } private int getSize(BoundSize uvs, int sizeType, boolean isHor, boolean useVP, int sizeHint) { int size; if (uvs == null || uvs.getSize(sizeType) == null) { switch (sizeType) { case LayoutUtil.MIN: size = isHor ? comp.getMinimumWidth(sizeHint) : comp.getMinimumHeight(sizeHint); break; case LayoutUtil.PREF: size = isHor ? comp.getPreferredWidth(sizeHint) : comp.getPreferredHeight(sizeHint); break; default: size = isHor ? comp.getMaximumWidth(sizeHint) : comp.getMaximumHeight(sizeHint); break; } if (useVP) { //Do not include visual padding when calculating layout int[] visualPadding = comp.getVisualPadding(); // Assume visualPadding is of length 4: top, left, bottom, right if (visualPadding != null && visualPadding.length > 0) { size -= isHor ? (visualPadding[1] + visualPadding[3]) : (visualPadding[0] + visualPadding[2]); } } } else { ContainerWrapper par = comp.getParent(); float refValue = isHor ? par.getWidth() : par.getHeight(); size = uvs.getSize(sizeType).getPixels(refValue, par, comp); } return size; } private void calcGaps(ComponentWrapper before, CC befCC, ComponentWrapper after, CC aftCC, String tag, boolean flowX, boolean isLTR) { ContainerWrapper par = comp.getParent(); int parW = par.getWidth(); int parH = par.getHeight(); BoundSize befGap = before != null ? (flowX ? befCC.getHorizontal() : befCC.getVertical()).getGapAfter() : null; BoundSize aftGap = after != null ? (flowX ? aftCC.getHorizontal() : aftCC.getVertical()).getGapBefore() : null; mergeGapSizes(cc.getVertical().getComponentGaps(par, comp, befGap, (flowX ? null : before), tag, parH, 0, isLTR), false, true); mergeGapSizes(cc.getHorizontal().getComponentGaps(par, comp, befGap, (flowX ? before : null), tag, parW, 1, isLTR), true, true); mergeGapSizes(cc.getVertical().getComponentGaps(par, comp, aftGap, (flowX ? null : after), tag, parH, 2, isLTR), false, false); mergeGapSizes(cc.getHorizontal().getComponentGaps(par, comp, aftGap, (flowX ? after : null), tag, parW, 3, isLTR), true, false); } private void setDimBounds(int start, int size, boolean isHor) { if (isHor) { if (start != x || w != size) { x = start; w = size; if (comp.getContentBias() == LayoutUtil.HORIZONTAL) { invalidateSizes(); // Only for components that have a bias the sizes will have changed. } } } else { if (start != y || h != size) { y = start; h = size; if (comp.getContentBias() == LayoutUtil.VERTICAL) { invalidateSizes(); // Only for components that have a bias the sizes will have changed. } } } } void invalidateSizes() { sizesOk = false; } private boolean isPushGap(boolean isHor, boolean isBefore) { if (isHor && ((isBefore ? 1 : 2) & forcedPushGaps) != 0) { return true; // Forced } DimConstraint dc = cc.getDimConstraint(isHor); BoundSize s = isBefore ? dc.getGapBefore() : dc.getGapAfter(); return s != null && s.getGapPush(); } /** * Transfers the bounds to the component */ private void transferBounds(boolean addVisualPadding) { if (cc.isExternal()) { return; } int compX = x; int compY = y; int compW = w; int compH = h; if (addVisualPadding) { //Add the visual padding back to the component when changing its size int[] visualPadding = comp.getVisualPadding(); if (visualPadding != null) { //assume visualPadding is of length 4: top, left, bottom, right compX -= visualPadding[1]; compY -= visualPadding[0]; compW += (visualPadding[1] + visualPadding[3]); compH += (visualPadding[0] + visualPadding[2]); } } comp.setBounds(compX, compY, compW, compH); } private void setForcedSizes(int[] sizes, boolean isHor) { if (sizes == null) { return; } System.arraycopy(sizes, 0, getSizes(isHor), 0, 3); sizesOk = true; } private void setGaps(int[] minPrefMax, int ix) { if (gaps == null) { gaps = new int[][]{null, null, null, null}; } gaps[ix] = minPrefMax; } private void mergeGapSizes(int[] sizes, boolean isHor, boolean isTL) { if (gaps == null) { gaps = new int[][]{null, null, null, null}; } if (sizes == null) { return; } int gapIX = getGapIx(isHor, isTL); int[] oldGaps = gaps[gapIX]; if (oldGaps == null) { oldGaps = new int[]{0, 0, LayoutUtil.INF}; gaps[gapIX] = oldGaps; } oldGaps[LayoutUtil.MIN] = Math.max(sizes[LayoutUtil.MIN], oldGaps[LayoutUtil.MIN]); oldGaps[LayoutUtil.PREF] = Math.max(sizes[LayoutUtil.PREF], oldGaps[LayoutUtil.PREF]); oldGaps[LayoutUtil.MAX] = Math.min(sizes[LayoutUtil.MAX], oldGaps[LayoutUtil.MAX]); } private int getGapIx(boolean isHor, boolean isTL) { return isHor ? (isTL ? 1 : 3) : (isTL ? 0 : 2); } private int getSizeInclGaps(int sizeType, boolean isHor) { return filter(sizeType, getGapBefore(sizeType, isHor) + getSize(sizeType, isHor) + getGapAfter(sizeType, isHor)); } private int getSize(int sizeType, boolean isHor) { return filter(sizeType, getSizes(isHor)[sizeType]); } private int getGapBefore(int sizeType, boolean isHor) { int[] gaps = getGaps(isHor, true); return gaps != null ? filter(sizeType, gaps[sizeType]) : 0; } private int getGapAfter(int sizeType, boolean isHor) { int[] gaps = getGaps(isHor, false); return gaps != null ? filter(sizeType, gaps[sizeType]) : 0; } private int[] getGaps(boolean isHor, boolean isTL) { return gaps[getGapIx(isHor, isTL)]; } private int filter(int sizeType, int size) { if (size == LayoutUtil.NOT_SET) { return sizeType != LayoutUtil.MAX ? 0 : LayoutUtil.INF; } return constrainSize(size); } private boolean isBaselineAlign(boolean defValue) { Float g = cc.getVertical().getGrow(); if (g != null && g.intValue() != 0) { return false; } UnitValue al = cc.getVertical().getAlign(); return (al != null ? al == UnitValue.BASELINE_IDENTITY : defValue) && comp.hasBaseline(); } private int getBaseline(int sizeType) { return comp.getBaseline(getSize(sizeType, true), getSize(sizeType, false)); } public void adjustMinHorSizeUp(int minSize) { int[] sz = getSizes(true); if (sz[LayoutUtil.MIN] < minSize) { sz[LayoutUtil.MIN] = minSize; } correctMinMax(sz); } } //*************************************************************************************** //* Helper Methods //*************************************************************************************** private static void layoutBaseline(ContainerWrapper parent, ArrayList compWraps, DimConstraint dc, int start, int size, int sizeType, int spanCount) { int[] aboveBelow = getBaselineAboveBelow(compWraps, sizeType, true); int blRowSize = aboveBelow[0] + aboveBelow[1]; CC cc = compWraps.get(0).cc; // Align for the whole baseline component array UnitValue align = cc.getVertical().getAlign(); if (spanCount == 1 && align == null) { align = dc.getAlignOrDefault(false); } if (align == UnitValue.BASELINE_IDENTITY) { align = UnitValue.CENTER; } int offset = start + aboveBelow[0] + (align != null ? Math.max(0, align.getPixels(size - blRowSize, parent, null)) : 0); for (CompWrap cw : compWraps) { cw.y += offset; if (cw.y + cw.h > start + size) { cw.h = start + size - cw.y; } } } private static void layoutSerial(ContainerWrapper parent, ArrayList compWraps, DimConstraint dc, int start, int size, boolean isHor, int spanCount, boolean fromEnd) { FlowSizeSpec fss = mergeSizesGapsAndResConstrs( getComponentResizeConstraints(compWraps, isHor), getComponentGapPush(compWraps, isHor), getComponentSizes(compWraps, isHor), getGaps(compWraps, isHor)); Float[] pushW = dc.isFill() ? GROW_100 : null; int[] sizes = LayoutUtil.calculateSerial(fss.sizes, fss.resConstsInclGaps, pushW, LayoutUtil.PREF, size); setCompWrapBounds(parent, sizes, compWraps, dc.getAlignOrDefault(isHor), start, size, isHor, fromEnd); } private static void setCompWrapBounds(ContainerWrapper parent, int[] allSizes, ArrayList compWraps, UnitValue rowAlign, int start, int size, boolean isHor, boolean fromEnd) { int totSize = LayoutUtil.sum(allSizes); CC cc = compWraps.get(0).cc; UnitValue align = correctAlign(cc, rowAlign, isHor, fromEnd); int cSt = start; int slack = size - totSize; if (slack > 0 && align != null) { int al = Math.min(slack, Math.max(0, align.getPixels(slack, parent, null))); cSt += (fromEnd ? -al : al); } for (int i = 0, bIx = 0, iSz = compWraps.size(); i < iSz; i++) { CompWrap cw = compWraps.get(i); if (fromEnd) { cSt -= allSizes[bIx++]; cw.setDimBounds(cSt - allSizes[bIx], allSizes[bIx], isHor); cSt -= allSizes[bIx++]; } else { cSt += allSizes[bIx++]; cw.setDimBounds(cSt, allSizes[bIx], isHor); cSt += allSizes[bIx++]; } } } private static void layoutParallel(ContainerWrapper parent, ArrayList compWraps, DimConstraint dc, int start, int size, boolean isHor, boolean fromEnd) { int[][] sizes = new int[compWraps.size()][]; // [compIx][gapBef,compSize,gapAft] for (int i = 0; i < sizes.length; i++) { CompWrap cw = compWraps.get(i); DimConstraint cDc = cw.cc.getDimConstraint(isHor); ResizeConstraint[] resConstr = new ResizeConstraint[]{ cw.isPushGap(isHor, true) ? GAP_RC_CONST_PUSH : GAP_RC_CONST, cDc.resize, cw.isPushGap(isHor, false) ? GAP_RC_CONST_PUSH : GAP_RC_CONST,}; int[][] sz = new int[][]{ cw.getGaps(isHor, true), cw.getSizes(isHor), cw.getGaps(isHor, false) }; Float[] pushW = dc.isFill() ? GROW_100 : null; sizes[i] = LayoutUtil.calculateSerial(sz, resConstr, pushW, LayoutUtil.PREF, size); } UnitValue rowAlign = dc.getAlignOrDefault(isHor); setCompWrapBounds(parent, sizes, compWraps, rowAlign, start, size, isHor, fromEnd); } private static void setCompWrapBounds(ContainerWrapper parent, int[][] sizes, ArrayList compWraps, UnitValue rowAlign, int start, int size, boolean isHor, boolean fromEnd) { for (int i = 0; i < sizes.length; i++) { CompWrap cw = compWraps.get(i); UnitValue align = correctAlign(cw.cc, rowAlign, isHor, fromEnd); int[] cSizes = sizes[i]; int gapBef = cSizes[0]; int cSize = cSizes[1]; // No Math.min(size, cSizes[1]) here! int gapAft = cSizes[2]; int cSt = fromEnd ? start - gapBef : start + gapBef; int slack = size - cSize - gapBef - gapAft; if (slack > 0 && align != null) { int al = Math.min(slack, Math.max(0, align.getPixels(slack, parent, null))); cSt += (fromEnd ? -al : al); } cw.setDimBounds(fromEnd ? cSt - cSize : cSt, cSize, isHor); } } private static UnitValue correctAlign(CC cc, UnitValue rowAlign, boolean isHor, boolean fromEnd) { UnitValue align = (isHor ? cc.getHorizontal() : cc.getVertical()).getAlign(); if (align == null) { align = rowAlign; } if (align == UnitValue.BASELINE_IDENTITY) { align = UnitValue.CENTER; } if (fromEnd) { if (align == UnitValue.LEFT) { align = UnitValue.RIGHT; } else if (align == UnitValue.RIGHT) { align = UnitValue.LEFT; } } return align; } private static int[] getBaselineAboveBelow(ArrayList compWraps, int sType, boolean centerBaseline) { int maxAbove = Integer.MIN_VALUE; int maxBelow = Integer.MIN_VALUE; for (CompWrap cw : compWraps) { int height = cw.getSize(sType, false); if (height >= LayoutUtil.INF) { return new int[]{LayoutUtil.INF / 2, LayoutUtil.INF / 2}; } int baseline = cw.getBaseline(sType); int above = baseline + cw.getGapBefore(sType, false); maxAbove = Math.max(above, maxAbove); maxBelow = Math.max(height - baseline + cw.getGapAfter(sType, false), maxBelow); if (centerBaseline) { cw.setDimBounds(-baseline, height, false); } } return new int[]{maxAbove, maxBelow}; } private static int getTotalSizeParallel(ArrayList compWraps, int sType, boolean isHor) { int size = sType == LayoutUtil.MAX ? LayoutUtil.INF : 0; for (CompWrap cw : compWraps) { int cwSize = cw.getSizeInclGaps(sType, isHor); if (cwSize >= LayoutUtil.INF) { return LayoutUtil.INF; } if (sType == LayoutUtil.MAX ? cwSize < size : cwSize > size) { size = cwSize; } } return constrainSize(size); } private static int getTotalSizeSerial(ArrayList compWraps, int sType, boolean isHor) { int totSize = 0; for (int i = 0, iSz = compWraps.size(), lastGapAfter = 0; i < iSz; i++) { CompWrap wrap = compWraps.get(i); int gapBef = wrap.getGapBefore(sType, isHor); if (gapBef > lastGapAfter) { totSize += gapBef - lastGapAfter; } totSize += wrap.getSize(sType, isHor); totSize += (lastGapAfter = wrap.getGapAfter(sType, isHor)); if (totSize >= LayoutUtil.INF) { return LayoutUtil.INF; } } return constrainSize(totSize); } private static int getTotalGroupsSizeParallel(ArrayList groups, int sType, boolean countSpanning) { int size = sType == LayoutUtil.MAX ? LayoutUtil.INF : 0; for (LinkedDimGroup group : groups) { if (countSpanning || group.span == 1) { int grpSize = group.getMinPrefMax()[sType]; if (grpSize >= LayoutUtil.INF) { return LayoutUtil.INF; } if (sType == LayoutUtil.MAX ? grpSize < size : grpSize > size) { size = grpSize; } } } return constrainSize(size); } /** * @param compWraps * @param isHor * @return Might contain LayoutUtil.NOT_SET */ private static int[][] getComponentSizes(ArrayList compWraps, boolean isHor) { int[][] compSizes = new int[compWraps.size()][]; for (int i = 0; i < compSizes.length; i++) { compSizes[i] = compWraps.get(i).getSizes(isHor); } return compSizes; } /** * Merges sizes and gaps together with Resize Constraints. For gaps * {@link #GAP_RC_CONST} is used. * * @param resConstr One resize constriant for every row/component. Can be * lesser in length and the last element should be used for missing * elements. * @param gapPush If the corresponding gap should be considered pushing and * thus want to take free space if left over. Should be one more than * resConstrs! * @param minPrefMaxSizes The sizes (min/pref/max) for every row/component. * @param gapSizes The gaps before and after each row/component packed in * one double sized array. * @return A holder for the merged values. */ private static FlowSizeSpec mergeSizesGapsAndResConstrs(ResizeConstraint[] resConstr, boolean[] gapPush, int[][] minPrefMaxSizes, int[][] gapSizes) { int[][] sizes = new int[(minPrefMaxSizes.length << 1) + 1][]; // Make room for gaps around. ResizeConstraint[] resConstsInclGaps = new ResizeConstraint[sizes.length]; sizes[0] = gapSizes[0]; for (int i = 0, crIx = 1; i < minPrefMaxSizes.length; i++, crIx += 2) { // Component bounds and constraints resConstsInclGaps[crIx] = resConstr[i]; sizes[crIx] = minPrefMaxSizes[i]; sizes[crIx + 1] = gapSizes[i + 1]; if (sizes[crIx - 1] != null) { resConstsInclGaps[crIx - 1] = gapPush[i < gapPush.length ? i : gapPush.length - 1] ? GAP_RC_CONST_PUSH : GAP_RC_CONST; } if (i == (minPrefMaxSizes.length - 1) && sizes[crIx + 1] != null) { resConstsInclGaps[crIx + 1] = gapPush[(i + 1) < gapPush.length ? (i + 1) : gapPush.length - 1] ? GAP_RC_CONST_PUSH : GAP_RC_CONST; } } // Check for null and set it to 0, 0, 0. for (int i = 0; i < sizes.length; i++) { if (sizes[i] == null) { sizes[i] = new int[3]; } } return new FlowSizeSpec(sizes, resConstsInclGaps); } private static int[] mergeSizes(int[] oldValues, int[] newValues) { if (oldValues == null) { return newValues; } if (newValues == null) { return oldValues; } int[] ret = new int[oldValues.length]; for (int i = 0; i < ret.length; i++) { ret[i] = mergeSizes(oldValues[i], newValues[i], true); } return ret; } private static int mergeSizes(int oldValue, int newValue, boolean toMax) { if (oldValue == LayoutUtil.NOT_SET || oldValue == newValue) { return newValue; } if (newValue == LayoutUtil.NOT_SET) { return oldValue; } return toMax != oldValue > newValue ? newValue : oldValue; } private static int constrainSize(int s) { return s > 0 ? (s < LayoutUtil.INF ? s : LayoutUtil.INF) : 0; } private static void correctMinMax(int s[]) { if (s[LayoutUtil.MIN] > s[LayoutUtil.MAX]) { s[LayoutUtil.MIN] = s[LayoutUtil.MAX]; // Since MAX is almost always explicitly set use that } if (s[LayoutUtil.PREF] < s[LayoutUtil.MIN]) { s[LayoutUtil.PREF] = s[LayoutUtil.MIN]; } if (s[LayoutUtil.PREF] > s[LayoutUtil.MAX]) { s[LayoutUtil.PREF] = s[LayoutUtil.MAX]; } } private static final class FlowSizeSpec { private final int[][] sizes; // [row/col index][min, pref, max] private final ResizeConstraint[] resConstsInclGaps; // [row/col index] private FlowSizeSpec(int[][] sizes, ResizeConstraint[] resConstsInclGaps) { this.sizes = sizes; this.resConstsInclGaps = resConstsInclGaps; } /** * @param specs The specs for the columns or rows. Last index will be * used of fromIx + len is greater than this array's * length. * @param targetSize The size to try to meet. * @param defGrow The default grow weight if the specs does not have * anyone that will grow. Comes from "push" in the CC. * @param fromIx * @param len * @param sizeType * @param eagerness How eager the algorithm should be to try to expand * the sizes. *

    *
  • 0 - Grow only rows/columns which have the sizeType * set to be the containing components AND which has a grow weight > * 0. *
  • 1 - Grow only rows/columns which have the sizeType * set to be the containing components AND which has a grow weight > * 0 OR unspecified. *
  • 2 - Grow all rows/columns that have a grow weight > 0. *
  • 3 - Grow all rows/columns that have a grow weight > 0 OR * unspecified. *
* @return The new size. */ private int expandSizes(DimConstraint[] specs, Float[] defGrow, int targetSize, int fromIx, int len, int sizeType, int eagerness) { ResizeConstraint[] resConstr = new ResizeConstraint[len]; int[][] sizesToExpand = new int[len][]; for (int i = 0; i < len; i++) { int[] minPrefMax = sizes[i + fromIx]; sizesToExpand[i] = new int[]{minPrefMax[sizeType], minPrefMax[LayoutUtil.PREF], minPrefMax[LayoutUtil.MAX]}; if (eagerness <= 1 && i % 2 == 0) { // (i % 2 == 0) means only odd indexes, which is only rows/col indexes and not gaps. int cIx = (i + fromIx - 1) >> 1; DimConstraint spec = (DimConstraint) LayoutUtil.getIndexSafe(specs, cIx); BoundSize sz = spec.getSize(); if ((sizeType == LayoutUtil.MIN && sz.getMin() != null && sz.getMin().getUnit() != UnitValue.MIN_SIZE) || (sizeType == LayoutUtil.PREF && sz.getPreferred() != null && sz.getPreferred().getUnit() != UnitValue.PREF_SIZE)) { continue; } } resConstr[i] = (ResizeConstraint) LayoutUtil.getIndexSafe(resConstsInclGaps, i + fromIx); } Float[] growW = (eagerness == 1 || eagerness == 3) ? extractSubArray(specs, defGrow, fromIx, len) : null; int[] newSizes = LayoutUtil.calculateSerial(sizesToExpand, resConstr, growW, LayoutUtil.PREF, targetSize); int newSize = 0; for (int i = 0; i < len; i++) { int s = newSizes[i]; sizes[i + fromIx][sizeType] = s; newSize += s; } return newSize; } } private static Float[] extractSubArray(DimConstraint[] specs, Float[] arr, int ix, int len) { if (arr == null || arr.length < ix + len) { Float[] growLastArr = new Float[len]; // Handle a group where some rows (first one/few and/or last one/few) are docks. for (int i = ix + len - 1; i >= 0; i -= 2) { int specIx = (i >> 1); if (specs[specIx] != DOCK_DIM_CONSTRAINT) { growLastArr[i - ix] = ResizeConstraint.WEIGHT_100; return growLastArr; } } return growLastArr; } Float[] newArr = new Float[len]; for (int i = 0; i < len; i++) { newArr[i] = arr[ix + i]; } return newArr; } private static HashMap[] PARENT_ROWCOL_SIZES_MAP = null; @SuppressWarnings("unchecked") private static synchronized void putSizesAndIndexes(Object parComp, int[] sizes, int[] ixArr, boolean isRows) { if (PARENT_ROWCOL_SIZES_MAP == null) // Lazy since only if designing in IDEs { PARENT_ROWCOL_SIZES_MAP = new HashMap[]{new HashMap(4), new HashMap(4)}; } PARENT_ROWCOL_SIZES_MAP[isRows ? 0 : 1].put(parComp, new int[][]{ixArr, sizes}); } static synchronized int[][] getSizesAndIndexes(Object parComp, boolean isRows) { if (PARENT_ROWCOL_SIZES_MAP == null) { return null; } return PARENT_ROWCOL_SIZES_MAP[isRows ? 0 : 1].get(parComp); } private static HashMap> PARENT_GRIDPOS_MAP = null; private static synchronized void saveGrid(ComponentWrapper parComp, LinkedHashMap grid) { if (PARENT_GRIDPOS_MAP == null) // Lazy since only if designing in IDEs { PARENT_GRIDPOS_MAP = new HashMap>(4); } ArrayList weakCells = new ArrayList(grid.size()); for (Integer xyInt : grid.keySet()) { Cell cell = grid.get(xyInt); if (xyInt != null) { int x = xyInt & 0x0000ffff; int y = xyInt >> 16; for (CompWrap cw : cell.compWraps) { weakCells.add(new WeakCell(cw.comp.getComponent(), x, y, cell.spanx, cell.spany)); } } } PARENT_GRIDPOS_MAP.put(parComp.getComponent(), weakCells); } static synchronized HashMap getGridPositions(Object parComp) { ArrayList weakCells = PARENT_GRIDPOS_MAP != null ? PARENT_GRIDPOS_MAP.get(parComp) : null; if (weakCells == null) { return null; } HashMap retMap = new HashMap(); for (WeakCell wc : weakCells) { Object component = Display.getInstance().extractHardRef(wc.componentRef); if (component != null) { retMap.put(component, new int[]{wc.x, wc.y, wc.spanX, wc.spanY}); } } return retMap; } private static class WeakCell { private final Object componentRef; private final int x, y, spanX, spanY; private WeakCell(Object component, int x, int y, int spanX, int spanY) { this.componentRef = Display.getInstance().createSoftWeakRef(component); this.x = x; this.y = y; this.spanX = spanX; this.spanY = spanY; } } }




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