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JIDE Common Layer (Professional Swing Components)
/*
* @(#)JideCursors.java
*
* Copyright 2002 JIDE Software Inc. All rights reserved.
*/
package com.jidesoft.swing;
import com.jidesoft.plaf.UIDefaultsLookup;
import javax.swing.*;
import java.awt.*;
/**
* A utility class that create additional cursors used by JIDE products.
*
* Notes: this class has to be public so that JIDE can use it in different packages, not meant to release to end user as
* a public API. JIDE will not guarantee the class will remain as it is.
*/
public class JideCursors {
/**
* First id of Cursors used in JIDE products.
*/
public static final int FIRST_CUSTOM_CURSOR = 20;
/**
* The horizontal split cursor type.
*/
public static final int HSPLIT_CURSOR = 20;
/**
* The vertical split cursor type.
*/
public static final int VSPLIT_CURSOR = 21;
/**
* The drag cursor type.
*/
public static final int DRAG_CURSOR = 22;
/**
* The no-drop cursor type.
*/
public static final int DRAG_STOP_CURSOR = 23;
/**
* The cursor point pointing to north side.
*/
public static final int NORTH_CURSOR = 24;
/**
* The cursor point pointing to south side.
*/
public static final int SOUTH_CURSOR = 25;
/**
* The cursor point pointing to east side.
*/
public static final int EAST_CURSOR = 26;
/**
* The cursor point pointing to west side.
*/
public static final int WEST_CURSOR = 27;
/**
* The cursor point pointing when dragged item will be in tabbed pane.
*/
public static final int TAB_CURSOR = 28;
/**
* The cursor point when dragged item is floating.
*/
public static final int FLOAT_CURSOR = 29;
/**
* The cursor point when dragged item will be inserted in between.
*/
public static final int VERTICAL_CURSOR = 30;
/**
* The cursor point when dragged item will be inserted in between.
*/
public static final int HORIZONTAL_CURSOR = 31;
/**
* The cursor point when dragged item will be inserted in between.
*/
public static final int DELETE_CURSOR = 32;
/**
* The drag cursor type for text.
*/
public static final int DRAG_TEXT_CURSOR = 33;
/**
* The no-drop cursor type for text.
*/
public static final int DRAG_TEXT_STOP_CURSOR = 34;
/**
* The cursor for changing percentage.
*/
public static final int PERCENTAGE_CURSOR = 35;
/**
* The cursor for moving toward east.
*/
public static final int MOVE_EAST_CURSOR = 36;
/**
* The cursor for moving toward west.
*/
public static final int MOVE_WEST_CURSOR = 37;
/**
* Last id of cursor used by JIDE products.
*/
public static final int LAST_CUSTOM_CURSOR = 38;
private static final Cursor[] predefined = new Cursor[LAST_CUSTOM_CURSOR - FIRST_CUSTOM_CURSOR + 1];
static {
for (int i = FIRST_CUSTOM_CURSOR; i < LAST_CUSTOM_CURSOR; i++)
getPredefinedCursor(i);
}
/**
* Returns a cursor object with the specified predefined type.
*
* @param type the type of predefined cursor
* @throws IllegalArgumentException if the specified cursor type is invalid
* @return the cursor associated with that type.
*/
static public Cursor getPredefinedCursor(int type) {
if (type < FIRST_CUSTOM_CURSOR || type > LAST_CUSTOM_CURSOR) {
throw new IllegalArgumentException("illegal cursor type");
}
if (predefined[type - FIRST_CUSTOM_CURSOR] == null) {
predefined[type - FIRST_CUSTOM_CURSOR] = createCursor(type);
}
return predefined[type - FIRST_CUSTOM_CURSOR];
}
/**
* Sets a cursor object with the specified predefined type.
*
* @param type the type of predefined cursor
* @param cursor the cursor associated with that type
* @throws IllegalArgumentException if the specified cursor type is invalid
*/
public static void setPredefinedCursor(int type, Cursor cursor) {
if (type < FIRST_CUSTOM_CURSOR || type > LAST_CUSTOM_CURSOR) {
throw new IllegalArgumentException("illegal cursor type");
}
predefined[type - FIRST_CUSTOM_CURSOR] = cursor == null ? createCursor(type) : cursor;
}
/**
* Creates a cursor specified by type.
*
* @param type cursor type
* @return the cursor with that type
*/
protected static Cursor createCursor(int type) {
try {
Toolkit toolkit = Toolkit.getDefaultToolkit();
Dimension bestSize = toolkit.getBestCursorSize(32, 32);
int maxColor = toolkit.getMaximumCursorColors();
switch (type) {
case HSPLIT_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.hsplit");
if (icon == null)
return Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 15), "Horizonal Split");
}
return Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
}
case VSPLIT_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.vsplit");
if (icon == null)
return Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR);
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 15), "Vertical Split");
}
return Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR);
}
case DRAG_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.drag");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(17, 12), "Drag");
}
return Cursor.getDefaultCursor();
}
case DRAG_STOP_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.dragStop");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(17, 12), "Drag Stop");
}
return Cursor.getDefaultCursor();
}
case DRAG_TEXT_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.dragText");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(0, 0), "Drag Text");
}
return Cursor.getDefaultCursor();
}
case DRAG_TEXT_STOP_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.dragTextStop");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 15), "Drag Text Stop");
}
return Cursor.getDefaultCursor();
}
case NORTH_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.north");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 10), "North");
}
return Cursor.getDefaultCursor();
}
case SOUTH_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.south");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 20), "South");
}
return Cursor.getDefaultCursor();
}
case EAST_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.east");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(20, 15), "East");
}
return Cursor.getDefaultCursor();
}
case WEST_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.west");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(10, 15), "West");
}
return Cursor.getDefaultCursor();
}
case TAB_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.tab");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 15), "Tabbed");
}
return Cursor.getDefaultCursor();
}
case FLOAT_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.float");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 15), "Floating");
}
return Cursor.getDefaultCursor();
}
case VERTICAL_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.vertical");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 15), "Vertical");
}
return Cursor.getDefaultCursor();
}
case HORIZONTAL_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.horizontal");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(15, 15), "Horizontal");
}
return Cursor.getDefaultCursor();
}
case DELETE_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.delete");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(10, 10), "Delete");
}
return Cursor.getDefaultCursor();
}
case PERCENTAGE_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.percentage");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(20, 15), "Percentage");
}
return Cursor.getDefaultCursor();
}
case MOVE_EAST_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.moveEast");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(11, 15), "Move East");
}
return Cursor.getDefaultCursor();
}
case MOVE_WEST_CURSOR: {
if (bestSize.width != 0 && maxColor > 3) {
ImageIcon icon = (ImageIcon) UIDefaultsLookup.getIcon("Cursor.moveWest");
if (icon == null)
return Cursor.getDefaultCursor();
return toolkit.createCustomCursor(icon.getImage(), new Point(20, 15), "Move West");
}
return Cursor.getDefaultCursor();
}
}
return null;
}
catch (Exception e) {
return Cursor.getDefaultCursor(); // mainly for HeadlessException.
}
}
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