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import org.eclipse.jface.viewers.IStructuredSelection; |
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import org.eclipse.jface.viewers.IStructuredSelection; |
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import org.eclipse.jface.viewers.StructuredSelection; |
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import org.eclipse.jface.viewers.StructuredSelection; |
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import org.eclipse.draw2d.IFigure; |
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import org.eclipse.draw2d.geometry.Rectangle; |
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/** |
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/** |
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* Manages a viewer's selection model. Selection management includes representing a form |
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* Manages a viewer's selection model. Selection management includes representing a form |
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* of selection which is available to clients of a viewer as an ISelection. It also |
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* of selection which is available to clients of a viewer as an ISelection. It also |
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Lines 62-79
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* @since 3.2 |
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* @since 3.2 |
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*/ |
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*/ |
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public void appendSelection(EditPart editpart) { |
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public void appendSelection(EditPart editpart) { |
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if (editpart != getFocus()) |
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if (canSelectEditPart(editpart)) { |
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viewer.setFocus(null); |
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if (editpart != getFocus()) |
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if (!selection.isEmpty()) { |
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viewer.setFocus(null); |
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EditPart primary = (EditPart)selection.get(selection.size() - 1); |
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if (!selection.isEmpty()) { |
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primary.setSelected(EditPart.SELECTED); |
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EditPart primary = (EditPart)selection.get(selection.size() - 1); |
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} |
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primary.setSelected(EditPart.SELECTED); |
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// if the editpart is already in the list, re-order it to be the last one |
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} |
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selection.remove(editpart); |
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// if the editpart is already in the list, re-order it to be the last one |
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selection.add(editpart); |
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selection.remove(editpart); |
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editpart.setSelected(EditPart.SELECTED_PRIMARY); |
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selection.add(editpart); |
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editpart.setSelected(EditPart.SELECTED_PRIMARY); |
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fireSelectionChanged(); |
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fireSelectionChanged(); |
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} |
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} |
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} |
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/** |
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/** |
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Lines 219-233
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Iterator itr = orderedSelection.iterator(); |
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Iterator itr = orderedSelection.iterator(); |
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while (true) { |
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while (true) { |
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EditPart part = (EditPart)itr.next(); |
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EditPart part = (EditPart)itr.next(); |
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selection.add(part); |
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if (canSelectEditPart(part)) { |
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if (!itr.hasNext()) { |
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selection.add(part); |
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part.setSelected(EditPart.SELECTED_PRIMARY); |
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if (!itr.hasNext()) { |
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break; |
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part.setSelected(EditPart.SELECTED_PRIMARY); |
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} |
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break; |
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part.setSelected(EditPart.SELECTED); |
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} |
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part.setSelected(EditPart.SELECTED); |
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} |
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} |
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} |
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} |
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} |
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fireSelectionChanged(); |
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fireSelectionChanged(); |
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} |
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} |
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private boolean isFigureVisible(IFigure fig) { |
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Rectangle figBounds = fig.getBounds().getCopy(); |
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IFigure walker = fig.getParent(); |
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while (!figBounds.isEmpty() && walker != null) { |
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walker.translateToParent(figBounds); |
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figBounds.intersect(walker.getBounds()); |
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walker = walker.getParent(); |
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} |
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return !figBounds.isEmpty(); |
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} |
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public boolean canSelectEditPart(EditPart ep) { |
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if (ep.isSelectable()) { |
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if (ep instanceof GraphicalEditPart) { |
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GraphicalEditPart gep = (GraphicalEditPart)ep; |
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IFigure fig = gep.getFigure(); |
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return gep.getTargetEditPart(new Request(RequestConstants.REQ_SELECTION))==gep |
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&& isFigureVisible(fig) |
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&& fig.isShowing(); |
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} |
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else { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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} |
