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Dragging components from the component tree to the canvas stops working

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once the component type is selected in the tree
This commit is contained in:
bancika
2020-12-12 22:50:52 +01:00
parent e52873fc50
commit cad1160ce7
3 changed files with 13 additions and 10 deletions
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diylc/diylc-swing/src/org/diylc/swing/plugins/tree/TreeGestureListener.java
+8 -9
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@@ -20,9 +20,9 @@ package org.diylc.swing.plugins.tree;
import java.awt.Point;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.event.MouseListener;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreePath;
import org.diylc.common.ComponentType;
@@ -46,16 +46,15 @@ class TreeGestureListener implements DragGestureListener {
@Override
public void dragGestureRecognized(DragGestureEvent dge) {
ComponentType type = null;
TreeNode payload = null;
MouseListener clickListener = null;
if (presenter.getNewComponentTypeSlot() == null) {
JTree tree = (JTree) dge.getComponent();
Point p = dge.getDragOrigin();
TreePath path = tree.getClosestPathForLocation(p.x, p.y);
if (path != null && path.getLastPathComponent() instanceof DefaultMutableTreeNode) {
DefaultMutableTreeNode leaf = (DefaultMutableTreeNode) path.getLastPathComponent();
payload = (TreeNode) leaf.getUserObject();
if (payload != null && (payload.getComponentType() != null || payload.getClickListener() != null))
type = payload.getComponentType();
if (path != null && path.getLastPathComponent() instanceof TreeNode) {
TreeNode leaf = (TreeNode) path.getLastPathComponent();
clickListener = leaf.getClickListener();
type = leaf.getComponentType();
}
} else {
type = presenter.getNewComponentTypeSlot();
@@ -64,8 +63,8 @@ class TreeGestureListener implements DragGestureListener {
boolean start = false;
if (type == null)
{
if (payload != null && payload.getClickListener() != null) {
payload.getClickListener().mouseClicked(null);
if (clickListener != null) {
clickListener.mouseClicked(null);
start = true;
}
}