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1
12 package org.eclipse.jdt.internal.ui.callhierarchy;
13
14 import java.util.Arrays  ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.IStatus;
18
19 import org.eclipse.swt.SWT;
20 import org.eclipse.swt.layout.GridData;
21 import org.eclipse.swt.widgets.Composite;
22 import org.eclipse.swt.widgets.Control;
23 import org.eclipse.swt.widgets.Shell;
24
25 import org.eclipse.jface.action.Action;
26 import org.eclipse.jface.dialogs.StatusDialog;
27 import org.eclipse.jface.viewers.ISelection;
28 import org.eclipse.jface.viewers.StructuredSelection;
29 import org.eclipse.jface.window.Window;
30
31 import org.eclipse.ui.PlatformUI;
32
33 import org.eclipse.jdt.core.IMethod;
34
35 import org.eclipse.jdt.ui.JavaElementLabelProvider;
36
37 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
38 import org.eclipse.jdt.internal.ui.JavaPlugin;
39 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
40 import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
41 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter;
42 import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
43 import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField;
44
45 public class HistoryListAction extends Action {
46
47 private class HistoryListDialog extends StatusDialog {
48
49 private ListDialogField fHistoryList;
50 private IStatus fHistoryStatus;
51 private IMethod fResult;
52
53 private HistoryListDialog(Shell shell, IMethod[] elements) {
54 super(shell);
55 setTitle(CallHierarchyMessages.HistoryListDialog_title);
56
57 String [] buttonLabels= new String [] {
58 CallHierarchyMessages.HistoryListDialog_remove_button,
59 };
60
61 IListAdapter adapter= new IListAdapter() {
62 public void customButtonPressed(ListDialogField field, int index) {
63 doCustomButtonPressed();
64 }
65 public void selectionChanged(ListDialogField field) {
66 doSelectionChanged();
67 }
68
69 public void doubleClicked(ListDialogField field) {
70 doDoubleClicked();
71 }
72 };
73
74 JavaElementLabelProvider labelProvider= new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_QUALIFIED | JavaElementLabelProvider.SHOW_ROOT);
75
76 fHistoryList= new ListDialogField(adapter, buttonLabels, labelProvider);
77 fHistoryList.setLabelText(CallHierarchyMessages.HistoryListDialog_label);
78 fHistoryList.setElements(Arrays.asList(elements));
79
80 ISelection sel;
81 if (elements.length > 0) {
82 sel= new StructuredSelection(elements[0]);
83 } else {
84 sel= new StructuredSelection();
85 }
86
87 fHistoryList.selectElements(sel);
88 }
89
90
91
94 protected Control createDialogArea(Composite parent) {
95 initializeDialogUnits(parent);
96
97 Composite composite= (Composite) super.createDialogArea(parent);
98
99 Composite inner= new Composite(composite, SWT.NONE);
100 inner.setLayoutData(new GridData(GridData.FILL_BOTH));
101 inner.setFont(composite.getFont());
102
103 LayoutUtil.doDefaultLayout(inner, new DialogField[] { fHistoryList }, true, 0, 0);
104 LayoutUtil.setHeightHint(fHistoryList.getListControl(null), convertHeightInCharsToPixels(12));
105 LayoutUtil.setHorizontalGrabbing(fHistoryList.getListControl(null));
106
107 applyDialogFont(composite);
108 return composite;
109 }
110
111
114 private void doCustomButtonPressed() {
115 fHistoryList.removeElements(fHistoryList.getSelectedElements());
116 }
117
118 private void doDoubleClicked() {
119 if (fHistoryStatus.isOK()) {
120 okPressed();
121 }
122 }
123
124
125 private void doSelectionChanged() {
126 StatusInfo status= new StatusInfo();
127 List selected= fHistoryList.getSelectedElements();
128 if (selected.size() != 1) {
129 status.setError(""); fResult= null;
131 } else {
132 fResult= (IMethod) selected.get(0);
133 }
134 fHistoryList.enableButton(0, fHistoryList.getSize() > selected.size() && selected.size() != 0);
135 fHistoryStatus= status;
136 updateStatus(status);
137 }
138
139 public IMethod getResult() {
140 return fResult;
141 }
142
143 public IMethod[] getRemaining() {
144 List elems= fHistoryList.getElements();
145 return (IMethod[]) elems.toArray(new IMethod[elems.size()]);
146 }
147
148
151 protected void configureShell(Shell newShell) {
152 super.configureShell(newShell);
153 PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.HISTORY_LIST_DIALOG);
154 }
155
156
159 public void create() {
160 setShellStyle(getShellStyle() | SWT.RESIZE);
161 super.create();
162 }
163
164 }
165
166 private CallHierarchyViewPart fView;
167
168 public HistoryListAction(CallHierarchyViewPart view) {
169 fView= view;
170 setText(CallHierarchyMessages.HistoryListAction_label);
171 PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.HISTORY_LIST_ACTION);
172 }
173
174
177 public void run() {
178 IMethod[] historyEntries= fView.getHistoryEntries();
179 HistoryListDialog dialog= new HistoryListDialog(JavaPlugin.getActiveWorkbenchShell(), historyEntries);
180 if (dialog.open() == Window.OK) {
181 fView.setHistoryEntries(dialog.getRemaining());
182 fView.setMethod(dialog.getResult());
183 }
184 }
185
186 }
187
188 |
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