本文整理汇总了Java中org.eclipse.jface.text.link.LinkedPositionGroup类的典型用法代码示例。如果您正苦于以下问题:Java LinkedPositionGroup类的具体用法?Java LinkedPositionGroup怎么用?Java LinkedPositionGroup使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
LinkedPositionGroup类属于org.eclipse.jface.text.link包,在下文中一共展示了LinkedPositionGroup类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: controlUndoBehavior
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
private boolean controlUndoBehavior(int offset, int length) {
LinkedPosition position = fModel.findPosition(new LinkedPosition(fCurrentTarget.getViewer().getDocument(),
offset, length, LinkedPositionGroup.NO_STOP));
if (position != null) {
// if the last position is not the same and there is an open
// change: close it.
if (!position.equals(fPreviousPosition))
endCompoundChangeIfNeeded();
beginCompoundChangeIfNeeded();
}
fPreviousPosition = position;
return fPreviousPosition != null;
}
示例2: selectionChanged
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
public void selectionChanged(SelectionChangedEvent event) {
ISelection selection = event.getSelection();
if (selection instanceof ITextSelection) {
ITextSelection textsel = (ITextSelection) selection;
if (event.getSelectionProvider() instanceof ITextViewer) {
IDocument doc = ((ITextViewer) event.getSelectionProvider()).getDocument();
if (doc != null) {
int offset = textsel.getOffset();
int length = textsel.getLength();
if (offset >= 0 && length >= 0) {
LinkedPosition find = new LinkedPosition(doc, offset, length, LinkedPositionGroup.NO_STOP);
LinkedPosition pos = fModel.findPosition(find);
if (pos == null && fExitPosition != null && fExitPosition.includes(find))
pos = fExitPosition;
if (pos != null)
switchPosition(pos, false, false);
}
}
}
}
}
示例3: doExit
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
@Override
public ExitFlags doExit(LinkedModeModel model, VerifyEvent event, int offset, int length) {
if (length == 0 && (event.character == SWT.BS || event.character == SWT.DEL)) {
LinkedPosition position= model.findPosition(new LinkedPosition(fDocument, offset, 0, LinkedPositionGroup.NO_STOP));
if (position != null) {
if (event.character == SWT.BS) {
if (offset - 1 < position.getOffset()) {
//skip backspace at beginning of linked position
event.doit= false;
}
} else /* event.character == SWT.DEL */ {
if (offset + 1 > position.getOffset() + position.getLength()) {
//skip delete at end of linked position
event.doit= false;
}
}
}
}
return null; // don't change behavior
}
示例4: setUpLinkedMode
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Sets up a simple linked mode at {@link #getCursorPosition()} and an exit policy that will
* exit the mode when <code>closingCharacter</code> is typed and an exit position at
* <code>getCursorPosition() + 1</code>.
*
* @param document the document
*/
protected void setUpLinkedMode(IDocument document) {
try {
LinkedPositionGroup group= new LinkedPositionGroup();
group.addPosition(new LinkedPosition(document, getSelectionStart(), getSelectionLength(), LinkedPositionGroup.NO_STOP));
LinkedModeModel model= new LinkedModeModel();
model.addGroup(group);
model.forceInstall();
LinkedModeUI ui= new LinkedModeUI(model, viewer);
// ui.setSimpleMode(true);
ui.setExitPolicy(new ExitPolicy(exitChars));
ui.setExitPosition(viewer, getCursorPosition() + getReplacementOffset(), 0, Integer.MAX_VALUE);
ui.setCyclingMode(LinkedModeUI.CYCLE_NEVER);
ui.enter();
} catch (BadLocationException e) {
log.info(e.getMessage(), e);
}
}
示例5: doExit
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
public ExitFlags doExit(LinkedModeModel model, VerifyEvent event, int offset, int length) {
showPreview = (event.stateMask & SWT.CTRL) != 0 && (event.character == SWT.CR || event.character == SWT.LF);
if (length == 0 && (event.character == SWT.BS || event.character == SWT.DEL)) {
LinkedPosition position = model.findPosition(new LinkedPosition(document, offset, 0,
LinkedPositionGroup.NO_STOP));
if (position != null) {
if (event.character == SWT.BS) {
if (offset - 1 < position.getOffset()) {
// skip backspace at beginning of linked position
event.doit = false;
}
} else /* event.character == SWT.DEL */{
if (offset + 1 > position.getOffset() + position.getLength()) {
// skip delete at end of linked position
event.doit = false;
}
}
}
}
return null; // don't change behavior
}
示例6: generateIteratorBasedForRewrite
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Helper to generate an iterator based <code>for</code> loop to iterate over an {@link Iterable}.
*
* @param ast the {@link AST} instance to rewrite the loop to
* @return the complete {@link ASTRewrite} object
*/
private ASTRewrite generateIteratorBasedForRewrite(AST ast) {
ASTRewrite rewrite = ASTRewrite.create(ast);
ForStatement loopStatement = ast.newForStatement();
ITypeBinding loopOverType = extractElementType(ast);
SimpleName loopVariableName =
resolveLinkedVariableNameWithProposals(rewrite, "iterator", null, true); // $NON-NLS-1$
loopStatement.initializers().add(getIteratorBasedForInitializer(rewrite, loopVariableName));
MethodInvocation loopExpression = ast.newMethodInvocation();
loopExpression.setName(ast.newSimpleName("hasNext")); // $NON-NLS-1$
SimpleName expressionName = ast.newSimpleName(loopVariableName.getIdentifier());
addLinkedPosition(
rewrite.track(expressionName), LinkedPositionGroup.NO_STOP, expressionName.getIdentifier());
loopExpression.setExpression(expressionName);
loopStatement.setExpression(loopExpression);
Block forLoopBody = ast.newBlock();
Assignment assignResolvedVariable =
getIteratorBasedForBodyAssignment(rewrite, loopOverType, loopVariableName);
forLoopBody.statements().add(ast.newExpressionStatement(assignResolvedVariable));
forLoopBody.statements().add(createBlankLineStatementWithCursorPosition(rewrite));
loopStatement.setBody(forLoopBody);
rewrite.replace(fCurrentNode, loopStatement, null);
return rewrite;
}
示例7: getIteratorBasedForBodyAssignment
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Generates the Assignment in an iterator based for, used in the first statement of an iterator
* based <code>for</code> loop body, to retrieve the next element of the {@link Iterable}
* instance.
*
* @param rewrite the current instance of {@link ASTRewrite}
* @param loopOverType the {@link ITypeBinding} of the loop variable
* @param loopVariableName the name of the loop variable
* @return an {@link Assignment}, which retrieves the next element of the {@link Iterable} using
* the active {@link Iterator}
*/
private Assignment getIteratorBasedForBodyAssignment(
ASTRewrite rewrite, ITypeBinding loopOverType, SimpleName loopVariableName) {
AST ast = rewrite.getAST();
Assignment assignResolvedVariable = ast.newAssignment();
// left hand side
SimpleName resolvedVariableName =
resolveLinkedVariableNameWithProposals(
rewrite, loopOverType.getName(), loopVariableName.getIdentifier(), false);
VariableDeclarationFragment resolvedVariableDeclarationFragment =
ast.newVariableDeclarationFragment();
resolvedVariableDeclarationFragment.setName(resolvedVariableName);
VariableDeclarationExpression resolvedVariableDeclaration =
ast.newVariableDeclarationExpression(resolvedVariableDeclarationFragment);
resolvedVariableDeclaration.setType(
getImportRewrite()
.addImport(
loopOverType,
ast,
new ContextSensitiveImportRewriteContext(fCurrentNode, getImportRewrite())));
assignResolvedVariable.setLeftHandSide(resolvedVariableDeclaration);
// right hand side
MethodInvocation invokeIteratorNextExpression = ast.newMethodInvocation();
invokeIteratorNextExpression.setName(ast.newSimpleName("next")); // $NON-NLS-1$
SimpleName currentElementName = ast.newSimpleName(loopVariableName.getIdentifier());
addLinkedPosition(
rewrite.track(currentElementName),
LinkedPositionGroup.NO_STOP,
currentElementName.getIdentifier());
invokeIteratorNextExpression.setExpression(currentElementName);
assignResolvedVariable.setRightHandSide(invokeIteratorNextExpression);
assignResolvedVariable.setOperator(Assignment.Operator.ASSIGN);
return assignResolvedVariable;
}
示例8: getForBodyAssignment
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Creates an {@link Assignment} as first expression appearing in a <code>for</code> loop's body.
* This Assignment declares a local variable and initializes it using the array's current element
* identified by the loop index.
*
* @param rewrite the current {@link ASTRewrite} instance
* @param loopVariableName the name of the index variable in String representation
* @return a completed {@link Assignment} containing the mentioned declaration and initialization
*/
private Assignment getForBodyAssignment(ASTRewrite rewrite, SimpleName loopVariableName) {
AST ast = rewrite.getAST();
ITypeBinding loopOverType = extractElementType(ast);
Assignment assignResolvedVariable = ast.newAssignment();
// left hand side
SimpleName resolvedVariableName =
resolveLinkedVariableNameWithProposals(
rewrite, loopOverType.getName(), loopVariableName.getIdentifier(), false);
VariableDeclarationFragment resolvedVariableDeclarationFragment =
ast.newVariableDeclarationFragment();
resolvedVariableDeclarationFragment.setName(resolvedVariableName);
VariableDeclarationExpression resolvedVariableDeclaration =
ast.newVariableDeclarationExpression(resolvedVariableDeclarationFragment);
resolvedVariableDeclaration.setType(
getImportRewrite()
.addImport(
loopOverType,
ast,
new ContextSensitiveImportRewriteContext(fCurrentNode, getImportRewrite())));
assignResolvedVariable.setLeftHandSide(resolvedVariableDeclaration);
// right hand side
ArrayAccess access = ast.newArrayAccess();
access.setArray((Expression) rewrite.createCopyTarget(fCurrentExpression));
SimpleName indexName = ast.newSimpleName(loopVariableName.getIdentifier());
addLinkedPosition(
rewrite.track(indexName), LinkedPositionGroup.NO_STOP, indexName.getIdentifier());
access.setIndex(indexName);
assignResolvedVariable.setRightHandSide(access);
assignResolvedVariable.setOperator(Assignment.Operator.ASSIGN);
return assignResolvedVariable;
}
示例9: getLinkedInfixExpression
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Creates an {@link InfixExpression} which is linked to the group of the variableToIncrement.
*
* @param rewrite the current {@link ASTRewrite} instance
* @param variableToIncrement the name of the variable to generate the {@link InfixExpression} for
* @param rightHandSide the right hand side expression which shall be included in the {@link
* InfixExpression}
* @param operator the {@link org.eclipse.jdt.core.dom.InfixExpression.Operator} to use in the
* {@link InfixExpression} to create
* @return a filled, new {@link InfixExpression} instance
*/
private InfixExpression getLinkedInfixExpression(
ASTRewrite rewrite,
String variableToIncrement,
Expression rightHandSide,
InfixExpression.Operator operator) {
AST ast = rewrite.getAST();
InfixExpression loopExpression = ast.newInfixExpression();
SimpleName name = ast.newSimpleName(variableToIncrement);
addLinkedPosition(rewrite.track(name), LinkedPositionGroup.NO_STOP, name.getIdentifier());
loopExpression.setLeftOperand(name);
loopExpression.setOperator(operator);
loopExpression.setRightOperand(rightHandSide);
return loopExpression;
}
示例10: getIndexBasedForBodyAssignment
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Creates an {@link Assignment} as first expression appearing in an index based <code>for</code>
* loop's body. This Assignment declares a local variable and initializes it using the {@link
* List}'s current element identified by the loop index.
*
* @param rewrite the current {@link ASTRewrite} instance
* @param loopVariableName the name of the index variable in String representation
* @return a completed {@link Assignment} containing the mentioned declaration and initialization
*/
private Expression getIndexBasedForBodyAssignment(
ASTRewrite rewrite, SimpleName loopVariableName) {
AST ast = rewrite.getAST();
ITypeBinding loopOverType = extractElementType(ast);
Assignment assignResolvedVariable = ast.newAssignment();
// left hand side
SimpleName resolvedVariableName =
resolveLinkedVariableNameWithProposals(
rewrite, loopOverType.getName(), loopVariableName.getIdentifier(), false);
VariableDeclarationFragment resolvedVariableDeclarationFragment =
ast.newVariableDeclarationFragment();
resolvedVariableDeclarationFragment.setName(resolvedVariableName);
VariableDeclarationExpression resolvedVariableDeclaration =
ast.newVariableDeclarationExpression(resolvedVariableDeclarationFragment);
resolvedVariableDeclaration.setType(
getImportRewrite()
.addImport(
loopOverType,
ast,
new ContextSensitiveImportRewriteContext(fCurrentNode, getImportRewrite())));
assignResolvedVariable.setLeftHandSide(resolvedVariableDeclaration);
// right hand side
MethodInvocation invokeGetExpression = ast.newMethodInvocation();
invokeGetExpression.setName(ast.newSimpleName("get")); // $NON-NLS-1$
SimpleName indexVariableName = ast.newSimpleName(loopVariableName.getIdentifier());
addLinkedPosition(
rewrite.track(indexVariableName),
LinkedPositionGroup.NO_STOP,
indexVariableName.getIdentifier());
invokeGetExpression.arguments().add(indexVariableName);
invokeGetExpression.setExpression((Expression) rewrite.createCopyTarget(fCurrentExpression));
assignResolvedVariable.setRightHandSide(invokeGetExpression);
assignResolvedVariable.setOperator(Assignment.Operator.ASSIGN);
return assignResolvedVariable;
}
示例11: setUpLinkedMode
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Sets up a simple linked mode at {@link #getCursorPosition()} and an exit policy that will
* exit the mode when <code>closingCharacter</code> is typed and an exit position at
* <code>getCursorPosition() + 1</code>.
*
* @param document the document
* @param closingCharacter the exit character
*/
protected void setUpLinkedMode(IDocument document, char closingCharacter) {
if (getTextViewer() != null && autocloseBrackets()) {
int offset= getReplacementOffset() + getCursorPosition();
int exit= getReplacementOffset() + getReplacementString().length();
try {
LinkedPositionGroup group= new LinkedPositionGroup();
group.addPosition(new LinkedPosition(document, offset, 0, LinkedPositionGroup.NO_STOP));
LinkedModeModel model= new LinkedModeModel();
model.addGroup(group);
model.forceInstall();
LinkedModeUI ui= new EditorLinkedModeUI(model, getTextViewer());
ui.setSimpleMode(true);
ui.setExitPolicy(new ExitPolicy(closingCharacter, document));
ui.setExitPosition(getTextViewer(), exit, 0, Integer.MAX_VALUE);
ui.setCyclingMode(LinkedModeUI.CYCLE_NEVER);
ui.enter();
} catch (BadLocationException x) {
JavaPlugin.log(x);
}
}
}
开发者ID:trylimits,项目名称:Eclipse-Postfix-Code-Completion,代码行数:32,代码来源:AbstractJavaCompletionProposal.java
示例12: getIteratorBasedForBodyAssignment
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
/**
* Generates the Assignment in an iterator based for, used in the first statement of an iterator
* based <code>for</code> loop body, to retrieve the next element of the {@link Iterable}
* instance.
*
* @param rewrite the current instance of {@link ASTRewrite}
* @param loopOverType the {@link ITypeBinding} of the loop variable
* @param loopVariableName the name of the loop variable
* @return an {@link Assignment}, which retrieves the next element of the {@link Iterable} using
* the active {@link Iterator}
*/
private Assignment getIteratorBasedForBodyAssignment(ASTRewrite rewrite, ITypeBinding loopOverType, SimpleName loopVariableName) {
AST ast= rewrite.getAST();
Assignment assignResolvedVariable= ast.newAssignment();
// left hand side
SimpleName resolvedVariableName= resolveLinkedVariableNameWithProposals(rewrite, loopOverType.getName(), loopVariableName.getIdentifier(), false);
VariableDeclarationFragment resolvedVariableDeclarationFragment= ast.newVariableDeclarationFragment();
resolvedVariableDeclarationFragment.setName(resolvedVariableName);
VariableDeclarationExpression resolvedVariableDeclaration= ast.newVariableDeclarationExpression(resolvedVariableDeclarationFragment);
resolvedVariableDeclaration.setType(getImportRewrite().addImport(loopOverType, ast, new ContextSensitiveImportRewriteContext(fCurrentNode, getImportRewrite())));
assignResolvedVariable.setLeftHandSide(resolvedVariableDeclaration);
// right hand side
MethodInvocation invokeIteratorNextExpression= ast.newMethodInvocation();
invokeIteratorNextExpression.setName(ast.newSimpleName("next")); //$NON-NLS-1$
SimpleName currentElementName= ast.newSimpleName(loopVariableName.getIdentifier());
addLinkedPosition(rewrite.track(currentElementName), LinkedPositionGroup.NO_STOP, currentElementName.getIdentifier());
invokeIteratorNextExpression.setExpression(currentElementName);
assignResolvedVariable.setRightHandSide(invokeIteratorNextExpression);
assignResolvedVariable.setOperator(Assignment.Operator.ASSIGN);
return assignResolvedVariable;
}
开发者ID:trylimits,项目名称:Eclipse-Postfix-Code-Completion,代码行数:36,代码来源:GenerateForLoopAssistProposal.java
示例13: doExit
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
public ExitFlags doExit(LinkedModeModel model, VerifyEvent event, int offset, int length) {
if (length == 0 && (event.character == SWT.BS || event.character == SWT.DEL)) {
LinkedPosition position= model.findPosition(new LinkedPosition(fDocument, offset, 0, LinkedPositionGroup.NO_STOP));
if (position != null) {
if (event.character == SWT.BS) {
if (offset - 1 < position.getOffset()) {
//skip backspace at beginning of linked position
event.doit= false;
}
} else /* event.character == SWT.DEL */ {
if (offset + 1 > position.getOffset() + position.getLength()) {
//skip delete at end of linked position
event.doit= false;
}
}
}
}
return null; // don't change behavior
}
示例14: startLinkedEdit
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
private void startLinkedEdit(List<IRegion> selections, ITextViewer viewer, Point originalSelection)
throws BadLocationException {
final LinkedPositionGroup linkedPositionGroup = new LinkedPositionGroup();
for (IRegion selection : selections) {
linkedPositionGroup.addPosition(new LinkedPosition(viewer.getDocument(), selection.getOffset(), selection
.getLength()));
}
LinkedModeModel model = new LinkedModeModel();
model.addGroup(linkedPositionGroup);
model.forceInstall();
//FIXME can add a listener here to listen for the end of linked mode
//model.addLinkingListener(null);
LinkedModeUI ui = new EditorLinkedModeUI(model, viewer);
ui.setExitPolicy(new DeleteBlockingExitPolicy(viewer.getDocument()));
ui.enter();
// by default the text being edited is selected so restore original selection
viewer.setSelectedRange(originalSelection.x, originalSelection.y);
}
示例15: getLinkedModeModel
import org.eclipse.jface.text.link.LinkedPositionGroup; //导入依赖的package包/类
protected LinkedModeModel getLinkedModeModel(ITextViewer viewer) throws BadLocationException {
Indexable<SourceRange> sourceSubElements = proposal.getSourceSubElements();
if(sourceSubElements == null || sourceSubElements.isEmpty()) {
return null;
}
LinkedModeModel model = new LinkedModeModel();
IDocument document = viewer.getDocument();
int replaceOffset = getReplaceOffset();
firstLinkedModeGroupPosition = -1;
for (SourceRange sr : sourceSubElements) {
LinkedPositionGroup group = new LinkedPositionGroup();
int posOffset = replaceOffset + sr.getOffset();
group.addPosition(new LinkedPosition(document, posOffset, sr.getLength()));
if(firstLinkedModeGroupPosition == -1) {
firstLinkedModeGroupPosition = posOffset;
}
model.addGroup(group);
}
return model;
}