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/******************************************************************************* |
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/******************************************************************************* |
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* Copyright (c) 2000, 2007 IBM Corporation and others. |
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* Copyright (c) 2000, 2008 IBM Corporation and others. |
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* All rights reserved. This program and the accompanying materials |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* which accompanies this distribution, and is available at |
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*******************************************************************************/ |
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*******************************************************************************/ |
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package org.eclipse.draw2d.text; |
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package org.eclipse.draw2d.text; |
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import java.util.List; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.graphics.Color; |
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import org.eclipse.swt.graphics.Color; |
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import org.eclipse.swt.graphics.TextLayout; |
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import org.eclipse.swt.graphics.TextLayout; |
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Lines 23-29
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/** |
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/** |
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* An inline flow figure that renders a string of text across one or more lines. A |
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* An inline flow figure that renders a string of text across one or more lines. A |
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* TextFlow can not contain children. All <code>InlineFlow</code> figure's must be |
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* TextFlow cannot contain children. All <code>InlineFlow</code> figure's must be |
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* parented by a <code>FlowFigure</code>. |
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* parented by a <code>FlowFigure</code>. |
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* <p> |
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* <p> |
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* WARNING: This class is not intended to be subclassed by clients. |
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* WARNING: This class is not intended to be subclassed by clients. |
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Lines 126-131
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TextFragmentBox closestBox = null; |
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TextFragmentBox closestBox = null; |
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int index = 0; |
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int index = 0; |
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List fragments = getFragmentsWithoutBorder(); |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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TextFragmentBox box = (TextFragmentBox)fragments.get(i); |
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TextFragmentBox box = (TextFragmentBox)fragments.get(i); |
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if (box.getBaseline() - box.getLineRoot().getAscent() > p.y |
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if (box.getBaseline() - box.getLineRoot().getAscent() > p.y |
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Lines 159-164
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TextFragmentBox closestBox = null; |
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TextFragmentBox closestBox = null; |
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int index = 0; |
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int index = 0; |
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List fragments = getFragmentsWithoutBorder(); |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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TextFragmentBox box = (TextFragmentBox)fragments.get(i); |
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TextFragmentBox box = (TextFragmentBox)fragments.get(i); |
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if (box.getBaseline() + box.getLineRoot().getDescent() < p.y |
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if (box.getBaseline() + box.getLineRoot().getDescent() < p.y |
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Lines 209-215
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if (index == 0 && bidiInfo.leadingJoiner) |
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if (index == 0 && bidiInfo.leadingJoiner) |
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buffer.append(BidiChars.ZWJ); |
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buffer.append(BidiChars.ZWJ); |
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buffer.append(getText().substring(box.offset, box.offset + box.length)); |
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buffer.append(getText().substring(box.offset, box.offset + box.length)); |
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if (index == fragments.size() - 1 && bidiInfo.trailingJoiner) |
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if (index == getFragmentsWithoutBorder().size() - 1 && bidiInfo.trailingJoiner) |
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buffer.append(BidiChars.ZWJ); |
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buffer.append(BidiChars.ZWJ); |
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return buffer.toString(); |
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return buffer.toString(); |
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} |
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} |
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Lines 232-247
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if (offset == getText().length()) |
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if (offset == getText().length()) |
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trailing = false; |
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trailing = false; |
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List fragments = getFragmentsWithoutBorder(); |
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int i = fragments.size(); |
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int i = fragments.size(); |
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int stop = 0; |
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if (getBorder() instanceof FlowBorder) { |
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i--; |
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stop++; |
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} |
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TextFragmentBox box; |
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TextFragmentBox box; |
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do |
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do |
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box = (TextFragmentBox)fragments.get(--i); |
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box = (TextFragmentBox)fragments.get(--i); |
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while (offset < box.offset && i > stop); |
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while (offset < box.offset && i > 0); |
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// Cannot be trailing and after the last char, so go to first char in next box |
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// Cannot be trailing and after the last char, so go to first char in next box |
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if (trailing && box.offset + box.length <= offset) { |
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if (trailing && box.offset + box.length <= offset) { |
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Lines 294-299
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*/ |
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*/ |
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public int getFirstOffsetForLine(int baseline) { |
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public int getFirstOffsetForLine(int baseline) { |
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TextFragmentBox box; |
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TextFragmentBox box; |
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List fragments = getFragmentsWithoutBorder(); |
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for (int i = 0; i < fragments.size(); i++) { |
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for (int i = 0; i < fragments.size(); i++) { |
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box = (TextFragmentBox)fragments.get(i); |
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box = (TextFragmentBox)fragments.get(i); |
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if (baseline == box.getBaseline()) |
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if (baseline == box.getBaseline()) |
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} |
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} |
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/** |
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/** |
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* Returns the <code>TextFragmentBox</code> fragments contained in this TextFlow, not |
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* including the border fragments. The returned list should not be modified. |
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* @return list of fragments without the border fragments |
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* @since 3.4 |
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*/ |
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protected List getFragmentsWithoutBorder() { |
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List fragments = getFragments(); |
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if (getBorder() != null) |
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fragments = fragments.subList(1, fragments.size() - 1); |
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return fragments; |
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} |
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/** |
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* Returns the maximum offset for a character which is on the given baseline y-coordinate. |
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* Returns the maximum offset for a character which is on the given baseline y-coordinate. |
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* The y location should be relative to this figure. The return value will be between |
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* The y location should be relative to this figure. The return value will be between |
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* 0 and N-1. If no fragment is located on the baseline, <code>-1</code> is returned. |
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* 0 and N-1. If no fragment is located on the baseline, <code>-1</code> is returned. |
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Lines 312-317
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*/ |
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*/ |
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public int getLastOffsetForLine(int baseline) { |
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public int getLastOffsetForLine(int baseline) { |
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TextFragmentBox box; |
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TextFragmentBox box; |
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List fragments = getFragmentsWithoutBorder(); |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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box = (TextFragmentBox)fragments.get(i); |
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box = (TextFragmentBox)fragments.get(i); |
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if (baseline == box.getBaseline()) |
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if (baseline == box.getBaseline()) |
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Lines 346-351
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*/ |
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*/ |
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public int getNextVisibleOffset(int offset) { |
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public int getNextVisibleOffset(int offset) { |
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TextFragmentBox box; |
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TextFragmentBox box; |
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List fragments = getFragmentsWithoutBorder(); |
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for (int i = 0; i < fragments.size(); i++) { |
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for (int i = 0; i < fragments.size(); i++) { |
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box = (TextFragmentBox)fragments.get(i); |
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box = (TextFragmentBox)fragments.get(i); |
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if (box.offset + box.length <= offset) |
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if (box.offset + box.length <= offset) |
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Lines 425-430
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TextFragmentBox box; |
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TextFragmentBox box; |
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if (offset == -1) |
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if (offset == -1) |
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offset = Integer.MAX_VALUE; |
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offset = Integer.MAX_VALUE; |
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List fragments = getFragmentsWithoutBorder(); |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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for (int i = fragments.size() - 1; i >= 0; i--) { |
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box = (TextFragmentBox)fragments.get(i); |
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box = (TextFragmentBox)fragments.get(i); |
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if (box.offset >= offset) |
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if (box.offset >= offset) |
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Lines 648-651
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protected TextUtilities getTextUtilities() { |
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protected TextUtilities getTextUtilities() { |
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return TextUtilities.INSTANCE; |
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return TextUtilities.INSTANCE; |
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} |
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} |
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} |
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} |
