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
33 package com.oracle.javafx.scenebuilder.kit.editor.panel.content.gesture.mouse;
34
35 import com.oracle.javafx.scenebuilder.kit.editor.EditorController;
36 import com.oracle.javafx.scenebuilder.kit.editor.i18n.I18N;
37 import com.oracle.javafx.scenebuilder.kit.editor.job.atomic.ModifyObjectJob;
38 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.driver.gridpane.GridPaneHandles;
39 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.driver.resizer.GridPaneRowResizer;
40 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMInstance;
41 import com.oracle.javafx.scenebuilder.kit.metadata.property.ValuePropertyMetadata;
42 import com.oracle.javafx.scenebuilder.kit.metadata.property.value.list.RowConstraintsListPropertyMetadata;
43 import com.oracle.javafx.scenebuilder.kit.metadata.util.InspectorPath;
44 import com.oracle.javafx.scenebuilder.kit.metadata.util.PropertyName;
45 import com.oracle.javafx.scenebuilder.kit.util.Deprecation;
46 import java.util.ArrayList;
47 import java.util.Collections;
48 import java.util.HashMap;
49 import java.util.List;
50 import java.util.Map;
51 import javafx.geometry.Point2D;
52 import javafx.scene.input.KeyEvent;
53 import javafx.scene.layout.GridPane;
54 import javafx.scene.layout.RowConstraints;
55
56 /**
57 *
58 */
59 public class ResizeRowGesture extends AbstractMouseGesture {
60
61 private static final PropertyName rowConstraintsName
62 = new PropertyName("rowConstraints"); //NOI18N
63 private static final ValuePropertyMetadata rowConstraintsMeta
64 = new RowConstraintsListPropertyMetadata(
65 rowConstraintsName,
66 true, /* readWrite */
67 Collections.emptyList(), /* defaultValue */
68 InspectorPath.UNUSED);
69
70 private final GridPaneHandles gridPaneHandles;
71 private final FXOMInstance fxomInstance;
72 private final int rowIndex;
73 private final GridPane gridPane;
74 private GridPaneRowResizer resizer;
75
76
77 public ResizeRowGesture(GridPaneHandles gridPaneHandles, int rowIndex) {
78 super(gridPaneHandles.getContentPanelController());
79
80 assert rowIndex >= 0;
81
82 this.gridPaneHandles = gridPaneHandles;
83 this.fxomInstance = gridPaneHandles.getFxomInstance(); // Shortcut
84 this.gridPane = (GridPane) fxomInstance.getSceneGraphObject(); // Shortcut
85 this.rowIndex = rowIndex;
86
87 assert this.rowIndex < Deprecation.getGridPaneRowCount(this.gridPane);
88 }
89
90 /*
91 * AbstractMouseGesture
92 */
93
94 @Override
95 protected void mousePressed() {
96 // Everthing is done in mouseDragStarted
97 }
98
99 @Override
100 protected void mouseDragStarted() {
101 assert resizer == null;
102
103 resizer = new GridPaneRowResizer(gridPane, rowIndex);
104
105 // Now same as mouseDragged
106 mouseDragged();
107 }
108
109 @Override
110 protected void mouseDragged() {
111 assert resizer != null;
112
113 final double startSceneX = getMousePressedEvent().getSceneX();
114 final double startSceneY = getMousePressedEvent().getSceneY();
115 final double currentSceneX = getLastMouseEvent().getSceneX();
116 final double currentSceneY = getLastMouseEvent().getSceneY();
117 final Point2D start = gridPane.sceneToLocal(startSceneX, startSceneY, true /* rootScene */);
118 final Point2D current = gridPane.sceneToLocal(currentSceneX, currentSceneY, true /* rootScene */);
119 final double dy = current.getY() - start.getY();
120
121 resizer.updateHeight(dy);
122 gridPane.layout();
123 gridPaneHandles.layoutDecoration();
124 }
125
126 @Override
127 protected void mouseDragEnded() {
128 assert resizer != null;
129
130 /*
131 * Three steps
132 *
133 * 1) Collects the modified row constraints list
134 * 2) Reverts to initial sizing
135 * => this step is equivalent to userDidCancel()
136 * 3) Push a BatchModifyObjectJob to officially resize the rows
137 */
138
139 // Step #1
140 final List<RowConstraints> newConstraints
141 = cloneRowConstraintsList(gridPane);
142
143 // Step #2
144 userDidCancel();
145
146 // Step #3
147 final Map<ValuePropertyMetadata, Object> metaValueMap = new HashMap<>();
148 metaValueMap.put(rowConstraintsMeta, newConstraints);
149
150 final EditorController editorController
151 = contentPanelController.getEditorController();
152 final ModifyObjectJob j = new ModifyObjectJob(
153 fxomInstance,
154 rowConstraintsMeta,
155 newConstraints,
156 editorController,
157 I18N.getString("label.action.edit.resize.row"));
158 editorController.getJobManager().push(j);
159
160 gridPaneHandles.layoutDecoration();
161 resizer = null; // For sake of symetry...
162 }
163
164 @Override
165 protected void mouseReleased() {
166 // Everything is done in mouseDragEnded
167 }
168
169 @Override
170 protected void keyEvent(KeyEvent e) {
171 // Nothing special here
172 }
173
174 @Override
175 protected void userDidCancel() {
176 resizer.revertToOriginalSize();
177 gridPane.layout();
178 }
179
180
181
182 /*
183 * Private
184 */
185
186 private List<RowConstraints> cloneRowConstraintsList(GridPane gridPane) {
187 final List<RowConstraints> result = new ArrayList<>();
188
189 for (RowConstraints rc : gridPane.getRowConstraints()) {
190 result.add(cloneRowConstraints(rc));
191 }
192
193 return result;
194 }
195
196
197 private RowConstraints cloneRowConstraints(RowConstraints cc) {
198 final RowConstraints result = new RowConstraints();
199
200 result.setFillHeight(cc.isFillHeight());
201 result.setValignment(cc.getValignment());
202 result.setVgrow(cc.getVgrow());
203 result.setMaxHeight(cc.getMaxHeight());
204 result.setMinHeight(cc.getMinHeight());
205 result.setPercentHeight(cc.getPercentHeight());
206 result.setPrefHeight(cc.getPrefHeight());
207
208 return result;
209 }
210 }