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%2FGraphExplorerToolTip.java;fp=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FGraphExplorerToolTip.java;h=26e4431038d3b43da160aad78d74b9884ef572fc;hb=96bb7ef9cbe42d82eb58306d8f9b62392cc29ba8;hp=0000000000000000000000000000000000000000;hpb=ae5bb63c5c88f6569518fed2a24df86fbd0570ff;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerToolTip.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerToolTip.java
new file mode 100644
index 000000000..26e443103
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/GraphExplorerToolTip.java
@@ -0,0 +1,57 @@
+package org.simantics.browsing.ui.swt;
+
+import org.eclipse.jface.window.ToolTip;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeItem;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.internal.GENodeQueryManager;
+import org.simantics.browsing.ui.common.labelers.LabelerStub;
+import org.simantics.browsing.ui.content.Labeler;
+import org.simantics.browsing.ui.swt.GraphExplorerImpl.GraphExplorerContext;
+
+public class GraphExplorerToolTip extends ToolTip {
+
+    private boolean DEBUG = false;
+    
+    private Tree parent;
+    private NodeContext nodeContext;
+    private Labeler labeler;
+
+    private GraphExplorerContext explorerContext;
+    
+    public GraphExplorerToolTip(GraphExplorerContext explorerContext, Tree parent) {
+        super(parent, NO_RECREATE, false);
+        setHideOnMouseDown(false);
+        setPopupDelay(400);
+        this.explorerContext = explorerContext;
+        this.parent = parent;
+        this.nodeContext = null;
+        if (DEBUG)
+            System.out.println("GraphExplorerToolTip constructor called for parent : " + parent + ", class : " + parent.getClass().toString());
+    }
+
+    @Override
+    protected Composite createToolTipContentArea(Event event, Composite parent) {
+        return ((LabelerStub) labeler).createToolTipContentArea(event, parent, nodeContext);
+    }
+    
+    @Override
+    protected boolean shouldCreateToolTip(Event event) {
+        TreeItem treeItem = parent.getItem(new Point(event.x, event.y));
+        GENodeQueryManager manager = new GENodeQueryManager(explorerContext, null, null, TreeItemReference.create(treeItem.getParentItem()));
+        nodeContext = (NodeContext) treeItem.getData();
+        labeler = manager.query(nodeContext, BuiltinKeys.SELECTED_LABELER);
+        if (nodeContext == null || !(labeler instanceof LabelerStub))
+            return false;
+        return ((LabelerStub) labeler).shouldCreateToolTip(event, nodeContext);
+    }
+
+    public void setGraphExplorerContext(GraphExplorerContext explorerContext) {
+        this.explorerContext = explorerContext;
+    }
+
+}