Java TextEvent.getDocumentEvent方法代码示例

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
/**
 * Computes the change abstraction given a text event.
 *
 * @param event the text event to analyze
 * @return a change object describing the event
 */
private Change computeChange(TextEvent event) {
	DocumentEvent e = event.getDocumentEvent();
	if (e == null) return new Change(TypingRun.NO_CHANGE, -1);

	int start = e.getOffset();
	int end = e.getOffset() + e.getLength();
	String newText = e.getText();
	if (newText == null) newText = new String();

	if (start == end) {
		// no replace / delete / overwrite
		if (newText.length() == 1) return new Change(TypingRun.INSERT, end + 1);
	} else if (start == end - 1) {
		if (newText.length() == 1) return new Change(TypingRun.OVERTYPE, end);
		if (newText.length() == 0) return new Change(TypingRun.DELETE, start);
	}

	return new Change(TypingRun.UNKNOWN, -1);
}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
public void textChanged(TextEvent event) {

			fCachedRedrawState= event.getViewerRedrawState();
			if (!fCachedRedrawState)
				return;

			if (updateNumberOfDigits()) {
				computeIndentations();
				layout(event.getViewerRedrawState());
				return;
			}

			boolean viewerCompletelyShown= isViewerEntirelyShown();
			if (viewerCompletelyShown || fSensitiveToTextChanges || event.getDocumentEvent() == null)
				doPostRedraw();
			fSensitiveToTextChanges= viewerCompletelyShown;
		}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
/**
 * Computes the change abstraction given a text event.
 *
 * @param event the text event to analyze
 * @return a change object describing the event
 */
private Change computeChange(TextEvent event) {
	DocumentEvent e= event.getDocumentEvent();
	if (e == null)
		return new Change(TypingRun.NO_CHANGE, -1);

	int start= e.getOffset();
	int end= e.getOffset() + e.getLength();
	String newText= e.getText();
	if (newText == null)
		newText= new String();

	if (start == end) {
		// no replace / delete / overwrite
		if (newText.length() == 1)
			return new Change(TypingRun.INSERT, end + 1);
	} else if (start == end - 1) {
		if (newText.length() == 1)
			return new Change(TypingRun.OVERTYPE, end);
		if (newText.length() == 0)
			return new Change(TypingRun.DELETE, start);
	}

	return new Change(TypingRun.UNKNOWN, -1);
}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
@Override
public void textChanged(TextEvent event) {
	if (event.getDocumentEvent() != null) {
		return;
	}

	String command = "viewer.invalidateTextPresentation(" + event.getOffset() + ", " + event.getLength() + ");";
	write("\t\t" + command, true);

	//commands.add(new Command(command));

}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
@Override
public void textChanged(TextEvent e) {
    if (fTextViewer != null && e.getDocumentEvent() == null && e.getViewerRedrawState()) {
        // handle only changes of visible document
        redraw();
    }
}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
@Override
public void textChanged(TextEvent e) {
	if (!e.getViewerRedrawState()) {
		return;
	}
	// changed text: propagate previous style, which will be overridden
	// later asynchronously by TM
	if (e.getDocumentEvent() != null) {
		int diff = e.getText().length() - e.getLength();
		if (diff > 0 && e.getOffset() > 0) {
			StyleRange range = viewer.getTextWidget().getStyleRangeAtOffset(e.getOffset() - 1);
			if (range != null) {
				range.length += diff;
				viewer.getTextWidget().setStyleRange(range);
			}
		}
	} else { // TextViewer#invalidateTextPresentation is called (because
				// of validation, folding, etc)
		// case 2), do the colorization.
		IDocument document = viewer.getDocument();
		if (document != null) {
			IRegion region = null;
			int fromLineNumber = -1;
			int toLineNumber = -1;
			if (e.getOffset() == 0 && e.getLength() == 0 && e.getText() == null) {
				// redraw state change, damage the whole document
				fromLineNumber = 0;
				toLineNumber = document.getNumberOfLines() - 1;
			} else {
				region = widgetRegion2ModelRegion(e);
				if (region != null) {
					if (region.getLength() == 0) {
						// Some text was removed, don't colorize it.
						return;
					}
					try {
						String text = document.get(region.getOffset(), region.getLength());
						DocumentEvent de = new DocumentEvent(document, region.getOffset(), region.getLength(),
								text);
						fromLineNumber = DocumentHelper.getStartLine(de);
						toLineNumber = DocumentHelper.getEndLine(de, false);
					} catch (BadLocationException x) {
					}
				}
			}
			if (enabled) {
				// case where there is grammar & theme -> update text presentation with the
				// grammar tokens
				ITMModel model = getTMModelManager().connect(document);
				colorize(fromLineNumber, toLineNumber, region, (TMDocumentModel) model);
			} else {
				if (region != null) {
					// case where there is no grammar & theme -> update text presentation with the
					// default styles (ex: to support highlighting with GenericEditor)
					TextPresentation presentation = new TextPresentation(region, 100);
					presentation.setDefaultStyleRange(
							new StyleRange(region.getOffset(), region.getLength(), null, null));
					applyTextRegionCollection(presentation);
				}
			}
		}
	}
}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
public void textChanged(TextEvent event) {
	if (event.getDocumentEvent() != null)
		leave(true);
}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
public void textChanged(TextEvent event) {
		if (event.getDocumentEvent() != null) {
//			leave();
		}
	}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
@Override
public void textChanged(TextEvent event) {
    if (event.getDocumentEvent() != null)
        leave();
}
 

import org.eclipse.jface.text.TextEvent; //导入方法依赖的package包/类
@Override
public void textChanged(TextEvent event) {
	if(event.getDocumentEvent() != null) {
		validator.resetCount();
	}
}