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Code Issues Wiki Activity

new setSelection(ICElement) method

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This commit is contained in:
Alain Magloire 2003-04-17 16:55:46 +00:00
parent 680f26d375
commit 49b2c967a1
1 changed files with 77 additions and 42 deletions
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119
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java
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@ -14,8 +14,10 @@ import java.util.StringTokenizer;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ISourceRange;
import org.eclipse.cdt.core.model.ISourceReference;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.ui.IContextMenuConstants;
import org.eclipse.cdt.internal.ui.text.CSourceViewerConfiguration;
import org.eclipse.cdt.internal.ui.text.CTextTools;
@ -578,6 +580,37 @@ public class CEditor extends TextEditor implements ISelectionChangedListener {
}
}
public void setSelection(ICElement element) {
if (element == null || element instanceof ITranslationUnit) {
/*
* If the element is an ITranslationUnit this unit is either the input
* of this editor or not being displayed. In both cases, nothing should
* happened.
*/
return;
} if (element instanceof ISourceReference) {
ISourceReference reference= (ISourceReference) element;
// set hightlight range
setSelection(reference, true);
// set outliner selection
//if (fOutlinePage != null) {
// fOutlinePage.removeSelectionChangedListener(fSelectionChangedListener);
// fOutlinePage.select(reference);
// fOutlinePage.addSelectionChangedListener(fSelectionChangedListener);
//}
}
}
public void setSelection(ISourceReference element, boolean moveCursor) {
if (element != null) {
try {
setSelection(element.getSourceRange(), moveCursor);
} catch (CModelException e) {
}
}
}
/**
* Sets the current editor selection to the source range. Optionally
* sets the current editor position.
@ -586,50 +619,52 @@ public class CEditor extends TextEditor implements ISelectionChangedListener {
* @param moveCursor if true the editor is scrolled to show the range.
*/
public void setSelection(ISourceRange element, boolean moveCursor) {
if (element != null) {
try {
IRegion alternateRegion = null;
int start= element.getStartPos();
int length= element.getLength();
// Sanity check sometimes the parser may throw wrong numbers.
if (start < 0 || length < 0) {
start = 0;
length = 0;
}
// 0 length and start and non-zero start line says we know
// the line for some reason, but not the offset.
if (length == 0 && start == 0 && element.getStartLine() != 0) {
alternateRegion =
getDocumentProvider().getDocument(getEditorInput()).getLineInformation(element.getStartLine());
if (alternateRegion != null) {
start = alternateRegion.getOffset();
length = alternateRegion.getLength();
}
}
setHighlightRange(start, length, moveCursor);
if (moveCursor) {
start= element.getIdStartPos();
length= element.getIdLength();
if (start == 0 && length == 0 && alternateRegion != null) {
start = alternateRegion.getOffset();
length = alternateRegion.getLength();
}
if (start > -1 && getSourceViewer() != null) {
getSourceViewer().revealRange(start, length);
getSourceViewer().setSelectedRange(start, length);
}
updateStatusField(CTextEditorActionConstants.STATUS_CURSOR_POS);
}
return;
} catch (IllegalArgumentException x) {
} catch (BadLocationException e ) {
}
if (element == null) {
return;
}
try {
IRegion alternateRegion = null;
int start= element.getStartPos();
int length= element.getLength();
// Sanity check sometimes the parser may throw wrong numbers.
if (start < 0 || length < 0) {
start = 0;
length = 0;
}
// 0 length and start and non-zero start line says we know
// the line for some reason, but not the offset.
if (length == 0 && start == 0 && element.getStartLine() != 0) {
alternateRegion =
getDocumentProvider().getDocument(getEditorInput()).getLineInformation(element.getStartLine());
if (alternateRegion != null) {
start = alternateRegion.getOffset();
length = alternateRegion.getLength();
}
}
setHighlightRange(start, length, moveCursor);
if (moveCursor) {
start= element.getIdStartPos();
length= element.getIdLength();
if (start == 0 && length == 0 && alternateRegion != null) {
start = alternateRegion.getOffset();
length = alternateRegion.getLength();
}
if (start > -1 && getSourceViewer() != null) {
getSourceViewer().revealRange(start, length);
getSourceViewer().setSelectedRange(start, length);
}
updateStatusField(CTextEditorActionConstants.STATUS_CURSOR_POS);
}
return;
} catch (IllegalArgumentException x) {
} catch (BadLocationException e ) {
}
if (moveCursor)
resetHighlightRange();
}