X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FSingleClickStartEditMouseListener.java;fp=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FSingleClickStartEditMouseListener.java;h=8d97721bfb9b1ced0dcc4a7683721b6a1f2156b9;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/SingleClickStartEditMouseListener.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/SingleClickStartEditMouseListener.java
new file mode 100644
index 000000000..8d97721bf
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+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/SingleClickStartEditMouseListener.java
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+/*******************************************************************************
+ * Copyright (c) 2013 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.swt;
+
+import org.eclipse.jface.viewers.IFilter;
+import org.eclipse.swt.events.MouseAdapter;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeItem;
+import org.simantics.browsing.ui.Column;
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class SingleClickStartEditMouseListener extends MouseAdapter {
+
+    public static final IFilter BUTTON1_FIRST_DOWN_FILTER = new IFilter() {
+        @Override
+        public boolean select(Object toTest) {
+            MouseEvent e = (MouseEvent) toTest;
+            return e.button == 1 && e.count == 1;
+        }
+    }; 
+
+    private GraphExplorer explorer;
+    private IFilter       eventFilter;
+    private Tree          tree;
+    private Column[]      columns;
+
+    public static SingleClickStartEditMouseListener attachWithSingleLeftDown(GraphExplorer explorer) {
+        return attachTo(explorer, BUTTON1_FIRST_DOWN_FILTER);
+    }
+
+    public static SingleClickStartEditMouseListener attachTo(GraphExplorer explorer, IFilter eventFilter) {
+        SingleClickStartEditMouseListener l = new SingleClickStartEditMouseListener(explorer, eventFilter);
+        explorer.addListener(l);
+        return l;
+    }
+
+    public SingleClickStartEditMouseListener(GraphExplorer explorer, IFilter eventFilter) {
+        if (explorer == null)
+            throw new NullPointerException("null explorer");
+
+        this.explorer = explorer;
+        this.eventFilter = eventFilter;
+        this.tree = (Tree) explorer.getControl();
+        this.columns = explorer.getColumns();
+    }
+
+    @Override
+    public void mouseDown(MouseEvent e) {
+        if (eventFilter != null && !eventFilter.select(e))
+            return;
+
+        Point point = new Point(e.x, e.y);
+        TreeItem item = tree.getItem(point);
+        if (item == null)
+            return;
+
+        NodeContext ctx = (NodeContext) item.getData();
+        if (ctx == null)
+            return;
+
+        int columnCount = tree.getColumnCount();
+        for (int i = 0; i < columnCount && i < columns.length; i++) {
+            if (!item.isDisposed() && item.getBounds(i).contains(point)) {
+                explorer.startEditing(ctx, columns[i].getKey());
+            }
+        }
+    }
+
+}
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