X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fdiagram%2Fparticipant%2Fpointertool%2FBoxSelectionMode.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fdiagram%2Fparticipant%2Fpointertool%2FBoxSelectionMode.java;h=8e47498c93de83aa5145e45ff09b1ec54e00705c;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/participant/pointertool/BoxSelectionMode.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/participant/pointertool/BoxSelectionMode.java
new file mode 100644
index 000000000..8e47498c9
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+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/participant/pointertool/BoxSelectionMode.java
@@ -0,0 +1,152 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.diagram.participant.pointertool;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
+import org.simantics.g2d.canvas.impl.DependencyReflection.Reference;
+import org.simantics.g2d.canvas.impl.SGNodeReflection.SGCleanup;
+import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;
+import org.simantics.g2d.diagram.DiagramHints;
+import org.simantics.g2d.diagram.handler.PickContext;
+import org.simantics.g2d.diagram.handler.PickRequest;
+import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;
+import org.simantics.g2d.diagram.participant.Selection;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.participant.KeyUtil;
+import org.simantics.g2d.participant.RenderingQualityInteractor;
+import org.simantics.g2d.participant.TransformUtil;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.g2d.events.MouseEvent;
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
+import org.simantics.scenegraph.g2d.events.command.CommandEvent;
+import org.simantics.scenegraph.g2d.events.command.Commands;
+import org.simantics.scenegraph.g2d.nodes.BoxSelectionNode;
+import org.simantics.scenegraph.utils.Quality;
+
+/**
+ * @author Toni Kalajainen
+ */
+public class BoxSelectionMode extends AbstractMode {
+
+    @Reference  RenderingQualityInteractor quality;
+    @Dependency TransformUtil util;
+    @Dependency Selection selection;
+    @Dependency PickContext pickContext;
+    @Dependency KeyUtil keyUtil;
+
+    public final static BasicStroke STROKE         = new BasicStroke(1.0f);
+
+    public static final int         PAINT_PRIORITY = 30;
+
+    Point2D                         startingPoint;
+    Point2D                         currentPoint;
+    int                             mouseButton;
+    PickPolicy                      boxSelectMode;
+    BoxSelectionNode                node;
+
+    @SGInit
+    public void init(G2DParentNode parent) {
+        if (quality != null)
+            quality.setStaticQuality(Quality.LOW);
+
+        node = parent.getOrCreateNode("" + hashCode(), BoxSelectionNode.class);
+        node.setZIndex(PAINT_PRIORITY);
+        node.setStart(startingPoint);
+        node.setEnd(currentPoint);
+        node.setStroke(STROKE);
+        node.setScaleStroke(true);
+        node.setColor(getToolColor());
+        node.setMouseButton(mouseButton);
+        node.setSelectionListener(new BoxSelectionNode.SelectionListener() {
+            @Override
+            public void onSelect(Rectangle2D rect, int modifiers) {
+                // Disposed?
+                if (isRemoved())
+                    return;
+
+                boolean toggle = (modifiers & MouseEvent.CTRL_MASK) != 0;
+                boolean accumulate = (modifiers & MouseEvent.SHIFT_MASK) != 0;
+
+                Set<IElement> boxSelection = new HashSet<IElement>();
+                PickRequest request = new PickRequest(rect);
+                request.pickPolicy = boxSelectMode;
+                pickContext.pick(diagram, request, boxSelection);
+
+                int selectionId = mouseId;
+                if (toggle) {
+                    selection.toggle(selectionId, boxSelection);
+                } else if (accumulate) {
+                    for (IElement elem : boxSelection)
+                        selection.add(selectionId, elem);
+                } else {
+                    selection.setSelection(selectionId, boxSelection);
+                }
+
+                if (node != null) {
+                    node.remove();
+                    node = null;
+                }
+
+                setDirty();
+                remove();
+            }
+        });
+
+    }
+
+    @SGCleanup
+    public void cleanup() {
+        if (quality != null)
+            quality.setStaticQuality(null);
+        if (node != null) {
+            node.remove();
+            node = null;
+        }
+    }
+
+    public BoxSelectionMode(Point2D startingPoint, Point2D currentPoint, final int mouseId, final int mouseButton, final PickPolicy boxSelectMode) {
+        super(mouseId);
+        this.startingPoint = startingPoint;
+        this.currentPoint = currentPoint;
+        this.mouseButton = mouseButton;
+        this.boxSelectMode = boxSelectMode;
+        //setHint(RenderingQualityInteractor.KEY_QUALITY_INTERACTOR_ENABLED, Boolean.FALSE);
+    }
+
+    public synchronized Color getToolColor() {
+        Color c = getHint(DiagramHints.KEY_SELECTION_FRAME_COLOR);
+        if (c != null)
+            return c;
+        return Color.BLACK;
+    }
+
+    /**
+     * Allows user to cancel box selection operations by invoking the CANCEL
+     * command (pressing ESC).
+     */
+    @EventHandler(priority = 100)
+    public boolean handleCancel(CommandEvent e) {
+        if (e.command.equals( Commands.CANCEL ) ) {
+            setDirty();
+            remove();
+        }
+        return false;
+    }
+
+}
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