/** 删除选中的元素 */
public void deleteSelectedCells() {
if (!graph.isSelectionEmpty()) {
Object[] cells = graph.getSelectionCells();
cells = graph.getDescendants(cells);
graph.getModel().remove(cells);
}
}
// From GraphSelectionListener Interface
public void valueChanged(GraphSelectionEvent e) {
// 设置工具条相关按钮的可用性
editor.mainToolBar.setActionEnabled(MainActions.ACTION_GROUP, graph.getSelectionCount() > 1);
// Update Button States based on Current Selection
boolean enabled = !graph.isSelectionEmpty();
editor.mainToolBar.setActionEnabled(MainActions.ACTION_DELETE, enabled);
editor.mainToolBar.setActionEnabled(MainActions.ACTION_UNGROUP, enabled);
editor.mainToolBar.setActionEnabled(MainActions.ACTION_TOFRONT, enabled);
editor.mainToolBar.setActionEnabled(MainActions.ACTION_TOBACK, enabled);
editor.mainToolBar.setActionEnabled(MainActions.ACTION_COPY, enabled);
editor.mainToolBar.setActionEnabled(MainActions.ACTION_CUT, enabled);
if (graph.getSelectionCount() > 0) {
Object c = graph.getSelectionCell();
if (c instanceof DefaultGraphCell) {
DefaultGraphCell cell = (DefaultGraphCell) c;
Object uo = cell.getUserObject();
Rectangle2D rect = GraphConstants.getBounds(cell.getAttributes());
if (rect != null) {
editor.messageView.warn(
"rect=" + rect.getX() + ":" + rect.getY() + rect.getWidth() + ":" + rect.getHeight());
}
if (uo instanceof FlowElementObject) {
editor.propertiesView.resetProperties(((FlowElementObject) uo).getProperties());
} else {
// System.out.println("uo="+uo);
undo();
editor.messageView.warn("不能这样操作，请在操作左加的属性值");
// System.out.println("不能这样操作");
// editor.propertiesView.resetProperties(null);
}
} else {
undo();
// editor.propertiesView.resetProperties(null);
editor.messageView.warn("不能这样操作，操作对像，不能识别" + c.getClass().getName());
}
} else {
editor.propertiesView.resetProperties(graph.getGraphInfo().getProperties());
}
// System.out.println("Change");
}