Java LinkedModeUI.getSelectedRegion方法代码示例

import org.eclipse.jface.text.link.LinkedModeUI; //导入方法依赖的package包/类
@Override
public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) {
	apply(viewer.getDocument());
	
	try {
		LinkedModeModel model = new LinkedModeModel();

		StringBuffer insert = new StringBuffer();
		insert.append(macro.name);
		insert.append("(");

		int parameterOffset = position.offset + insert.length();
		for (int k = 0; k < macro.parameters.length; k++) {
			LinkedPositionGroup group = new LinkedPositionGroup();

			if (k > 0)
				// space between parameters
				parameterOffset++;

			group.addPosition(new LinkedPosition(viewer.getDocument(), parameterOffset, macro.parameters[k].length(),
					LinkedPositionGroup.NO_STOP));
			model.addGroup(group);
			
			parameterOffset += macro.parameters[k].length();
		}
		
		model.forceInstall();

		LinkedModeUI ui = new EditorLinkedModeUI(model, viewer);
		ui.setExitPosition(viewer, parameterOffset + 1, 0, Integer.MAX_VALUE);
		ui.setCyclingMode(LinkedModeUI.CYCLE_ALWAYS);
		ui.enter();
		
		fSelectedRegion = ui.getSelectedRegion();
	} catch (Exception e) {
		e.printStackTrace();
	}
}
 

import org.eclipse.jface.text.link.LinkedModeUI; //导入方法依赖的package包/类
@Override
public void apply(IDocument document, char trigger, int offset) {
	super.apply(document, trigger, offset);
	int baseOffset= getReplacementOffset();
	String replacement= getReplacementString();

	if (fArgumentOffsets != null && getTextViewer() != null) {
		try {
			LinkedModeModel model= new LinkedModeModel();
			for (int i= 0; i != fArgumentOffsets.length; i++) {
				LinkedPositionGroup group= new LinkedPositionGroup();
				group.addPosition(new LinkedPosition(document, baseOffset + fArgumentOffsets[i], fArgumentLengths[i], LinkedPositionGroup.NO_STOP));
				model.addGroup(group);
			}

			model.forceInstall();
			JavaEditor editor= getJavaEditor();
			if (editor != null) {
				model.addLinkingListener(new EditorHighlightingSynchronizer(editor));
			}

			LinkedModeUI ui= new EditorLinkedModeUI(model, getTextViewer());
			ui.setExitPosition(getTextViewer(), baseOffset + replacement.length(), 0, Integer.MAX_VALUE);
			ui.setExitPolicy(new ExitPolicy(')', document));
			ui.setDoContextInfo(true);
			ui.setCyclingMode(LinkedModeUI.CYCLE_WHEN_NO_PARENT);
			ui.enter();

			fSelectedRegion= ui.getSelectedRegion();

		} catch (BadLocationException e) {
			JavaPlugin.log(e);
			openErrorDialog(e);
		}
	} else {
		fSelectedRegion= new Region(baseOffset + replacement.length(), 0);
	}
}
 

import org.eclipse.jface.text.link.LinkedModeUI; //导入方法依赖的package包/类
/**
 * Sets up linked positions and installs them on the viewer.
 * 
 */
protected void getLinkedPositions(ITextViewer viewer) {
	final String replacement = getReplacementString();
	final IDocument document = viewer.getDocument();
	final int length = replacement.length();
	boolean inAttribute = false, hasGroup = false;
	int offset = 0;
	char attType = 0;
	int exitPosition = -1;
	LinkedModeModel model = new LinkedModeModel();

	try {
		for (int i = 0; i < length; i++) {
			final char c = replacement.charAt(i);
			switch (c) {
			case '=':
				break;
			case '\'':
			case '\"':
				if (!inAttribute) {
					offset = i;
					attType = c;
					inAttribute = true;
				} else {
					// Found matching quotes establishing an attribute value
					// region
					if (attType == c && replacement.charAt(i - 1) != '\\') {
						inAttribute = false; // Record position length
						addPosition(model, document, getReplacementOffset()
								+ offset + 1, i - offset - 1);
						hasGroup = true;
					}
				}
				break;
			case '>':
				if (!inAttribute && exitPosition == -1) {
					exitPosition = getReplacementOffset() + i + 1;
				}
				break;
			}
		}
		if (hasGroup) {
			model.forceInstall();
			final LinkedModeUI ui = new EditorLinkedModeUI(model, viewer);
			ui.setExitPosition(viewer,
					exitPosition < 0 ? getReplacementOffset()
							+ getReplacementLength() + replacement.length()
							- 1 : exitPosition, 0, Integer.MAX_VALUE);
			ui.setCyclingMode(LinkedModeUI.CYCLE_WHEN_NO_PARENT);
			ui.setDoContextInfo(true);
			ui.enter();
			fSelectedRegion = ui.getSelectedRegion();
		}
	} catch (BadLocationException e) {
		Logger.logException(e);
	}
}
 

import org.eclipse.jface.text.link.LinkedModeUI; //导入方法依赖的package包/类
public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) {
	try {
		Point seletion= viewer.getSelectedRange();

		// get full ast
		CompilationUnit root= SharedASTProvider.getAST(fContext.getCompilationUnit(), SharedASTProvider.WAIT_YES, null);

		ASTNode nameNode= NodeFinder.perform(root, fNode.getStartPosition(), fNode.getLength());
		final int pos= fNode.getStartPosition();

		ASTNode[] sameNodes;
		if (nameNode instanceof SimpleName) {
			sameNodes= LinkedNodeFinder.findByNode(root, (SimpleName) nameNode);
		} else {
			sameNodes= new ASTNode[] { nameNode };
		}

		// sort for iteration order, starting with the node @ offset
		Arrays.sort(sameNodes, new Comparator<ASTNode>() {

			public int compare(ASTNode o1, ASTNode o2) {
				return rank(o1) - rank(o2);
			}

			/**
			 * Returns the absolute rank of an <code>ASTNode</code>. Nodes
			 * preceding <code>offset</code> are ranked last.
			 *
			 * @param node the node to compute the rank for
			 * @return the rank of the node with respect to the invocation offset
			 */
			private int rank(ASTNode node) {
				int relativeRank= node.getStartPosition() + node.getLength() - pos;
				if (relativeRank < 0)
					return Integer.MAX_VALUE + relativeRank;
				else
					return relativeRank;
			}

		});

		IDocument document= viewer.getDocument();
		LinkedPositionGroup group= new LinkedPositionGroup();
		for (int i= 0; i < sameNodes.length; i++) {
			ASTNode elem= sameNodes[i];
			group.addPosition(new LinkedPosition(document, elem.getStartPosition(), elem.getLength(), i));
		}

		LinkedModeModel model= new LinkedModeModel();
		model.addGroup(group);
		model.forceInstall();
		if (fContext instanceof AssistContext) {
			IEditorPart editor= ((AssistContext)fContext).getEditor();
			if (editor instanceof JavaEditor) {
				model.addLinkingListener(new EditorHighlightingSynchronizer((JavaEditor) editor));
			}
		}

		LinkedModeUI ui= new EditorLinkedModeUI(model, viewer);
		ui.setExitPolicy(new DeleteBlockingExitPolicy(document));
		ui.setExitPosition(viewer, offset, 0, LinkedPositionGroup.NO_STOP);
		ui.enter();

		if (fValueSuggestion != null) {
			document.replace(nameNode.getStartPosition(), nameNode.getLength(), fValueSuggestion);
			IRegion selectedRegion= ui.getSelectedRegion();
			seletion= new Point(selectedRegion.getOffset(), fValueSuggestion.length());
		}

		viewer.setSelectedRange(seletion.x, seletion.y); // by default full word is selected, restore original selection

	} catch (BadLocationException e) {
		JavaPlugin.log(e);
	}
}