org.fife.ui.rsyntaxtextarea.WrappedSyntaxView2 Maven / Gradle / Ivy
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package org.fife.ui.rsyntaxtextarea;
//import java.awt.Graphics;
//import java.awt.Rectangle;
//import java.awt.Shape;
//import javax.swing.text.CompositeView;
import javax.swing.text.Element;
//import javax.swing.text.View;
/**
* Replacement for the old WrappedSyntaxView class, designed to
* be faster with large wrapped documents. Heavily based off of
* BoxView, but streamlined to only care about the y-axis, and
* takes code folding into account.
*
* This class is not currently used.
*
* @author Robert Futrell
* @version 1.0
*/
public class WrappedSyntaxView2 {//extends CompositeView {
// private Rectangle tempRect;
// private int[] cachedOffsets;
// private int[] cachedSpans;
// private boolean sizeRequirementsValid;
public WrappedSyntaxView2(Element root) {
//super(root);
// tempRect = new Rectangle();
// cachedOffsets = new int[0];
// cachedSpans = new int[0];
// sizeRequirementsValid = false;
}
// protected void childAllocation(int index, Rectangle alloc) {
// alloc.y += getOffset(index);
// alloc.height = getHeight(index);
// }
//
//
// private int getHeight(int childIndex) {
// return cachedSpans[childIndex];
// }
//
//
// private int getOffset(int childIndex) {
// return cachedOffsets[childIndex];
// }
//
//
// protected View getViewAtPoint(int x, int y, Rectangle alloc) {
// // TODO Auto-generated method stub
// return null;
// }
//
//
// /**
// * @param alloc The allocated region; this is the area inside of the insets
// * @return Whether the point lies after the region.
// */
// protected boolean isAfter(int x, int y, Rectangle alloc) {
// return y > (alloc.y + alloc.height);
// }
//
//
// /**
// * @param alloc The allocated region; this is the area inside of the insets
// * @return Whether the point lies before the region.
// */
// protected boolean isBefore(int x, int y, Rectangle alloc) {
// return y < alloc.y;
// }
//
//
// public float getPreferredSpan(int axis) {
// if (axis==X_AXIS) {
// return preferredWidth + getLeftInset() + getRightInset();
// }
// else {
// return preferredHeight + getTopInset() + getBottomInset();
// }
// }
//
//
// public void paint(Graphics g, Shape allocation) {
//
// Rectangle alloc = (allocation instanceof Rectangle) ?
// (Rectangle)allocation : allocation.getBounds();
// int n = getViewCount();
//
// int x = alloc.x + getLeftInset();
// int y = alloc.y + getTopInset();
// Rectangle clip = g.getClipBounds();
// int preferredWidth = (int)getPreferredSpan(X_AXIS);
//
// for (int i = 0; i < n; i++) {
// tempRect.x = x;
// tempRect.y = y + getOffset(i);
// tempRect.width = preferredWidth;
// tempRect.height = getHeight(i);
// if (tempRect.intersects(clip)) {
// paintChild(g, tempRect, i);
// }
// }
//
// }
//
//
// /**
// * Called when a child view's preferred span changes. This invalidates
// * our layout cache and calls the super implementation.
// */
// public void preferenceChanged(View child, boolean widthPreferenceChanged,
// boolean heightPreferenceChanged) {
//
// if (heightPreferenceChanged) {
// sizeRequirementsValid = false;
//// majorAllocValid = false;
// }
//// if (width) {
//// minorReqValid = false;
//// minorAllocValid = false;
//// }
//
// super.preferenceChanged(child, widthPreferenceChanged, heightPreferenceChanged);
//
// }
//
// public void replace(int index, int length, View[] elems) {
//
// super.replace(index, length, elems);
//
// // Invalidate cache
// int insertCount = elems==null ? 0 : elems.length;
// cachedOffsets = updateLayoutArray(cachedOffsets, index, insertCount);
// majorReqValid = false;
// majorAllocValid = false;
//
// }
//
//
// private int[] updateLayoutArray(int[] oldArray, int offset, int nInserted) {
// int n = getViewCount(); // Called after super.replace() so this is accurate
// int[] newArray = new int[n];
// System.arraycopy(oldArray, 0, newArray, 0, offset);
// System.arraycopy(oldArray, offset,
// newArray, offset + nInserted, n - nInserted - offset);
// return newArray;
// }
//
}