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1
19
20 package org.netbeans.modules.form.actions;
21
22 import java.awt.event.ActionListener  ;
23 import java.awt.event.ActionEvent ;
24 import java.util.List ;
25 import java.util.ResourceBundle ;
26 import javax.swing.*;
27 import javax.swing.event.MenuListener ;
28 import javax.swing.event.MenuEvent ;
29
30 import org.openide.util.HelpCtx;
31 import org.openide.util.actions.*;
32 import org.openide.nodes.Node;
33 import org.openide.util.NbBundle;
34
35 import org.netbeans.modules.form.*;
36
37
42
43 public class AlignAction extends NodeAction {
44
45 private JMenuItem[] items;
46
47 protected boolean enable(Node[] nodes) {
48 List comps = FormUtils.getSelectedLayoutComponents(nodes);
49 return ((comps != null) && (comps.size() > 1));
50 }
51
52 public String getName() {
53 return NbBundle.getMessage(AlignAction.class, "ACT_Align"); }
55
56 public HelpCtx getHelpCtx() {
57 return HelpCtx.DEFAULT_HELP;
58 }
59
60 protected void performAction(Node[] activatedNodes) { }
61
62 public JMenuItem getMenuPresenter() {
63 return getPopupPresenter();
64 }
65
66
70 public JMenuItem getPopupPresenter() {
71 JMenu popupMenu = new JMenu(
72 NbBundle.getMessage(AlignAction.class, "ACT_Align"));
74 popupMenu.setEnabled(isEnabled());
75 HelpCtx.setHelpIDString(popupMenu, AlignAction.class.getName());
76
77 popupMenu.addMenuListener(new MenuListener () {
78 public void menuSelected(MenuEvent e) {
79 JMenu menu = (JMenu) e.getSource();
80 createAlignSubmenu(menu);
81 }
82
83 public void menuDeselected(MenuEvent e) {}
84
85 public void menuCanceled(MenuEvent e) {}
86 });
87 return popupMenu;
88 }
89
90
91 private void createAlignSubmenu(JMenu menu) {
92 Node[] nodes = getActivatedNodes();
93 List components = FormUtils.getSelectedLayoutComponents(nodes);
94 if (!(menu.getMenuComponentCount() > 0)) {
95 ResourceBundle bundle = NbBundle.getBundle(AlignAction.class);
96
97 JMenuItem leftGroupItem = new AlignMenuItem(
98 bundle.getString("CTL_GroupLeft"), components,
100 0);
101 JMenuItem rightGroupItem = new AlignMenuItem(
102 bundle.getString("CTL_GroupRight"), components,
104 1);
105 JMenuItem upGroupItem = new AlignMenuItem(
106 bundle.getString("CTL_GroupUp"), components,
108 2);
109 JMenuItem downGroupItem = new AlignMenuItem(
110 bundle.getString("CTL_GroupDown"), components,
112 3);
113 JMenuItem leftItem = new AlignMenuItem(
114 bundle.getString("CTL_AlignLeft"), components,
116 4);
117 JMenuItem rightItem = new AlignMenuItem(
118 bundle.getString("CTL_AlignRight"), components,
120 5);
121 JMenuItem upItem = new AlignMenuItem(
122 bundle.getString("CTL_AlignUp"), components,
124 6);
125 JMenuItem downItem = new AlignMenuItem(
126 bundle.getString("CTL_AlignDown"), components,
128 7);
129 items = new JMenuItem[] {leftGroupItem, rightGroupItem, upGroupItem,
130 downGroupItem, leftItem, rightItem, upItem, downItem};
131 for (int i=0; i<8; i++) {
132 items[i].addActionListener(getMenuItemListener());
133 items[i].setEnabled(false);
134 HelpCtx.setHelpIDString(items[i], AlignAction.class.getName());
135 menu.add(items[i]);
136 if (i == 3) menu.addSeparator();
137 }
138 }
139 updateState(components);
140 }
141
142 private void updateState(List components) {
143 if ((components == null) || (components.size()<2)) {
144 return;
145 }
146 RADComponent rc = (RADComponent)components.get(0);
147 FormDesigner formDesigner = FormEditor.getFormDesigner(rc.getFormModel());
148 for (int i=0; i<4; i++) {
149 Action a = (Action)formDesigner.getDesignerActions(true).toArray()[i];
150 items[i].setEnabled(a.isEnabled());
151 items[i+4].setEnabled(a.isEnabled());
152 }
153 }
154
155 private ActionListener getMenuItemListener() {
156 if (menuItemListener == null)
157 menuItemListener = new AlignMenuItemListener();
158 return menuItemListener;
159 }
160
161
163 private static class AlignMenuItem extends JMenuItem {
164 private int direction;
165 private List components;
166
167 AlignMenuItem(String text, List components, int direction) {
168 super(text);
169 this.components = components;
170 this.direction = direction;
171 }
172
173 int getDirection() {
174 return direction;
175 }
176
177 List getRADComponents() {
178 return components;
179 }
180 }
181
182 private static class AlignMenuItemListener implements ActionListener {
183 public void actionPerformed(ActionEvent evt) {
184 Object source = evt.getSource();
185 if (!(source instanceof AlignMenuItem)) {
186 return;
187 }
188 AlignMenuItem mi = (AlignMenuItem) source;
189 if (!mi.isEnabled()) {
190 return;
191 }
192 int index = mi.getDirection();
193 RADComponent radC = (RADComponent)mi.getRADComponents().get(0);
194 FormModel fm = radC.getFormModel();
195 FormDesigner fd = FormEditor.getFormDesigner(fm);
196 ((Action)fd.getDesignerActions(false).toArray()[index]).actionPerformed(evt);
197 }
198 }
199
200 private ActionListener menuItemListener;
201 }
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