1 /*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates.
3 * All rights reserved. Use is subject to license terms.
4 *
5 * This file is available and licensed under the following license:
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the distribution.
16 * - Neither the name of Oracle Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 package com.oracle.javafx.scenebuilder.kit.editor.panel.content.driver.handles;
33
34 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.ContentPanelController;
35 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.driver.TableViewDesignInfoX;
36 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.gesture.AbstractGesture;
37 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.gesture.mouse.ResizeTableColumnGesture;
38 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMInstance;
39 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMObject;
40 import com.oracle.javafx.scenebuilder.kit.metadata.util.DesignHierarchyMask;
41 import java.util.List;
42 import javafx.geometry.Bounds;
43 import javafx.geometry.Point2D;
44 import javafx.scene.Cursor;
45 import javafx.scene.Group;
46 import javafx.scene.Node;
47 import javafx.scene.control.TableColumn;
48 import javafx.scene.control.TableView;
49 import javafx.scene.paint.Color;
50 import javafx.scene.shape.Line;
51
52 /**
53 *
54 *
55 */
56 public class TableViewHandles extends AbstractNodeHandles<Node> {
57
58 private final Group grips = new Group();
59
60 public TableViewHandles(ContentPanelController contentPanelController,
61 FXOMInstance fxomInstance) {
62 super(contentPanelController, fxomInstance, Node.class);
63 assert fxomInstance.getSceneGraphObject() instanceof TableView;
64
65 getRootNode().getChildren().add(grips); // Above handles
66 }
67
68 public TableView<?> getTableView() {
69 return (TableView<?>) getSceneGraphObject();
70 }
71
72 /*
73 * AbstractNodeHandles
74 */
75 @Override
76 protected void layoutDecoration() {
77 super.layoutDecoration();
78
79 // Adjusts the number of grip lines to the number of dividers
80 adjustGripCount();
81
82 // Updates grip positions
83 for (int i = 0, count = getTableView().getColumns().size(); i < count; i++) {
84 layoutGrip(i);
85 }
86 }
87
88 @Override
89 public AbstractGesture findGesture(Node node) {
90
91 final AbstractGesture result;
92
93 final int gripIndex = grips.getChildren().indexOf(node);
94 if (gripIndex != -1) {
95 final DesignHierarchyMask m = new DesignHierarchyMask(getFxomInstance());
96 final FXOMObject columnObject = m.getSubComponentAtIndex(gripIndex);
97 assert columnObject instanceof FXOMInstance;
98 result = new ResizeTableColumnGesture(getContentPanelController(),
99 (FXOMInstance)columnObject);
100 } else {
101 result = super.findGesture(node);
102 }
103
104 return result;
105 }
106
107
108 /*
109 * Private
110 */
111
112 private void adjustGripCount() {
113 final int columnCount = getTableView().getColumns().size();
114 final List<Node> gripChildren = grips.getChildren();
115
116 while (gripChildren.size() < columnCount) {
117 gripChildren.add(makeGripLine());
118 }
119 while (gripChildren.size() > columnCount) {
120 gripChildren.remove(gripChildren.size()-1);
121 }
122 }
123
124 private Line makeGripLine() {
125 final Line result = new Line();
126 result.setStrokeWidth(SELECTION_HANDLES_SIZE);
127 result.setStroke(Color.TRANSPARENT);
128 result.setCursor(Cursor.H_RESIZE);
129 attachHandles(result);
130 return result;
131 }
132
133 private void layoutGrip(int gripIndex) {
134 assert grips.getChildren().get(gripIndex) instanceof Line;
135
136 final TableColumn<?,?> tc = getTableView().getColumns().get(gripIndex);
137 if (tc.isVisible()) {
138 final TableViewDesignInfoX di = new TableViewDesignInfoX();
139 final Bounds b = di.getColumnHeaderBounds(tc);
140 final double startX = b.getMaxX();
141 final double startY = b.getMinY();
142 final double endY = b.getMaxY();
143
144 final boolean snapToPixel = true;
145 final Point2D startPoint = sceneGraphObjectToDecoration(startX, startY, snapToPixel);
146 final Point2D endPoint = sceneGraphObjectToDecoration(startX, endY, snapToPixel);
147
148 final Line gripLine = (Line) grips.getChildren().get(gripIndex);
149 gripLine.setVisible(true);
150 gripLine.setManaged(true);
151 gripLine.setStartX(startPoint.getX());
152 gripLine.setStartY(startPoint.getY());
153 gripLine.setEndX(endPoint.getX());
154 gripLine.setEndY(endPoint.getY());
155 } else {
156 final Line gripLine = (Line) grips.getChildren().get(gripIndex);
157 gripLine.setVisible(false);
158 gripLine.setManaged(false);
159 }
160 }
161
162
163 /*
164 * Wrapper to avoid the 'leaking this in constructor' warning emitted by NB.
165 */
166 private void attachHandles(Node node) {
167 attachHandles(node, this);
168 }
169 }