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1
4 package org.terracotta.dso.actions;
5
6 import org.eclipse.core.resources.IProject;
7 import org.eclipse.jdt.core.IJavaElement;
8 import org.eclipse.jface.action.ActionContributionItem;
9 import org.eclipse.jface.action.IAction;
10 import org.eclipse.jface.action.IMenuCreator;
11 import org.eclipse.jface.viewers.ISelection;
12 import org.eclipse.swt.events.MenuAdapter;
13 import org.eclipse.swt.events.MenuEvent;
14 import org.eclipse.swt.widgets.Control;
15 import org.eclipse.swt.widgets.Menu;
16 import org.eclipse.swt.widgets.MenuItem;
17 import org.eclipse.ui.IEditorActionDelegate;
18 import org.eclipse.ui.IEditorPart;
19 import org.eclipse.ui.IObjectActionDelegate;
20 import org.eclipse.ui.IViewActionDelegate;
21 import org.eclipse.ui.IViewPart;
22 import org.eclipse.ui.IWorkbenchPart;
23 import org.eclipse.ui.IWorkbenchWindow;
24 import org.eclipse.ui.IWorkbenchWindowPulldownDelegate2;
25 import org.eclipse.ui.texteditor.ITextEditor;
26 import org.terracotta.dso.ConfigurationHelper;
27 import org.terracotta.dso.TcPlugin;
28
29
32
33 public abstract class BaseMenuCreator
34 implements IObjectActionDelegate,
35 IEditorActionDelegate,
36 IViewActionDelegate,
37 IMenuCreator,
38 IWorkbenchWindowPulldownDelegate2
39 {
40 protected IJavaElement m_element;
41 protected IAction m_delegateAction;
42 protected ISelection m_selection;
43 protected IEditorPart m_editorPart;
44
45 public BaseMenuCreator() {}
46
47 public void init(IWorkbenchWindow window) {}
48 public void run(IAction action) {}
49 public void dispose() {}
50 public void init(IViewPart view) {}
51 public void setActivePart(IAction action, IWorkbenchPart targetPart) {}
52
53 public void setActiveEditor(IAction action, IEditorPart targetEditor) {
54 m_editorPart = targetEditor;
55 }
56
57 protected IJavaElement getElement(ISelection selection) {
58 IJavaElement element;
59
60 if((element = getJavaElement(selection)) != null &&
61 hasTerracottaNature(element))
62 {
63 return element;
64 }
65
66 return null;
67 }
68
69 public void selectionChanged(IAction action, ISelection selection) {
70 if(m_delegateAction == null) {
71 m_delegateAction = action;
72 m_delegateAction.setMenuCreator(this);
73 }
74 m_selection = selection;
75 }
76
77 protected abstract IJavaElement getJavaElement(ISelection selection);
78
79 protected void buildMenu(Menu menu) {
80 menu.addMenuListener(new MenuAdapter() {
81 public void menuShown(MenuEvent e) {
82 Menu m = (Menu)e.widget;
83 MenuItem[] items = m.getItems();
84
85 for(int i = 0; i < items.length; i++) {
86 items[i].dispose();
87 }
88
89 fillMenu(m);
90 }
91 });
92 }
93
94 protected ISelection getSelection() {
95 if(m_editorPart != null) {
96 if(m_editorPart instanceof ITextEditor) {
97 return ((ITextEditor)m_editorPart).getSelectionProvider().getSelection();
98 }
99 }
100
101 return m_selection;
102 }
103
104 public Menu getMenu(Control parent) {
105 Menu menu = null;
106
107 m_selection = getSelection();
108 if((m_element = getElement(m_selection)) != null) {
109 buildMenu(menu = new Menu(parent));
110 }
111
112 return menu;
113 }
114
115 public Menu getMenu(Menu parent) {
116 Menu menu = null;
117
118 m_selection = getSelection();
119 if((m_element = getElement(m_selection)) != null) {
120 buildMenu(menu = new Menu(parent));
121 }
122
123 return menu;
124 }
125
126 protected abstract void fillMenu(Menu menu);
127
128 protected ConfigurationHelper getConfigHelper() {
129 ConfigurationHelper helper = null;
130 IProject project = getProject();
131
132 if(project != null) {
133 helper = TcPlugin.getDefault().getConfigurationHelper(project);
134 }
135
136 return helper;
137 }
138
139 protected IProject getProject() {
140 return (m_element != null) ? m_element.getJavaProject().getProject() : null;
141 }
142
143 protected void addMenuAction(Menu menu, IAction action) {
144 ActionContributionItem item = new ActionContributionItem(action);
145 item.fill(menu, -1);
146 }
147
148 protected boolean hasTerracottaNature(IJavaElement element) {
149 return TcPlugin.getDefault().hasTerracottaNature(element);
150 }
151 }
152 |
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