|
1
11 package org.eclipse.compare.internal.patch;
12
13 import java.util.ArrayList  ;
14
15 import org.eclipse.core.resources.*;
16 import org.eclipse.core.runtime.Assert;
17 import org.eclipse.jface.dialogs.Dialog;
18 import org.eclipse.jface.dialogs.IDialogConstants;
19 import org.eclipse.jface.viewers.*;
20 import org.eclipse.osgi.util.NLS;
21 import org.eclipse.swt.SWT;
22 import org.eclipse.swt.graphics.Point;
23 import org.eclipse.swt.layout.GridData;
24 import org.eclipse.swt.layout.GridLayout;
25 import org.eclipse.swt.widgets.*;
26 import org.eclipse.ui.model.BaseWorkbenchContentProvider;
27 import org.eclipse.ui.model.WorkbenchLabelProvider;
28 import org.eclipse.ui.views.navigator.ResourceComparator;
29
30 class RetargetPatchElementDialog extends Dialog {
31
32 private static class RetargetPatchContentProvider extends BaseWorkbenchContentProvider {
33 private final PatchDiffNode node;
34 public RetargetPatchContentProvider(PatchDiffNode node) {
35 this.node = node;
36 }
37 public Object [] getChildren(Object element) {
38 if (element instanceof IWorkspaceRoot) {
39 IProject[] allProjects= ((IWorkspaceRoot) element).getProjects();
41 ArrayList accessibleProjects= new ArrayList ();
42 for (int i= 0; i<allProjects.length; i++) {
43 if (allProjects[i].isOpen()) {
44 accessibleProjects.add(allProjects[i]);
45 }
46 }
47 return accessibleProjects.toArray();
48 }
49 if (element instanceof IProject && node instanceof PatchProjectDiffNode) {
51 return new Object [0];
52 }
53 return super.getChildren(element);
54 }
55 }
56
57 private final PatchDiffNode fSelectedNode;
58 private final WorkspacePatcher fPatcher;
59 private TreeViewer fViewer;
60 private IResource fSelectedResource;
61
62 public RetargetPatchElementDialog(Shell shell, WorkspacePatcher patcher, PatchDiffNode node) {
63 super(shell);
64 Assert.isNotNull(patcher);
65 Assert.isNotNull(node);
66 setShellStyle(getShellStyle() | SWT.RESIZE);
67 this.fPatcher = patcher;
68 fSelectedNode= node;
69 }
70
71 protected Control createButtonBar(Composite parent) {
72 Control control = super.createButtonBar(parent);
73 Button okButton = this.getButton(IDialogConstants.OK_ID);
74 okButton.setEnabled(false);
75 return control;
76 }
77
78 protected Control createDialogArea(Composite parent) {
79 Composite composite= (Composite) super.createDialogArea(parent);
80
81 initializeDialogUnits(parent);
82
83 getShell().setText(PatchMessages.PreviewPatchPage_RetargetPatch);
84
85 GridLayout layout= new GridLayout();
86 layout.numColumns= 1;
87 layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
88 layout.marginWidth= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
89 composite.setLayout(layout);
90 final GridData data= new GridData(SWT.FILL, SWT.FILL, true, true);
91 composite.setLayoutData(data);
92
93 Label label= new Label(composite, SWT.LEFT|SWT.WRAP);
95 label.setText(getTreeLabel());
96 final GridData data2= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
97 label.setLayoutData(data2);
98
99 fViewer= new TreeViewer(composite, SWT.BORDER);
100 GridData gd= new GridData(SWT.FILL, SWT.FILL, true, true);
101 gd.widthHint= 0;
102 gd.heightHint= 0;
103 fViewer.getTree().setLayoutData(gd);
104 fViewer.setContentProvider(new RetargetPatchContentProvider(fSelectedNode));
105 fViewer.setLabelProvider(new WorkbenchLabelProvider());
106 fViewer.setComparator(new ResourceComparator(ResourceComparator.NAME));
107 fViewer.setInput(getViewerInput());
108 IResource resource = getInitialSelection();
109 if (resource != null) {
110 fViewer.setSelection(new StructuredSelection(resource));
111 fViewer.expandToLevel(resource, 0);
112 }
113 setupListeners();
114
115 Dialog.applyDialogFont(composite);
116 return parent;
117 }
118
119 private IResource getViewerInput() {
120 if (fPatcher.isWorkspacePatch())
121 return ResourcesPlugin.getWorkspace().getRoot();
122 return fPatcher.getTarget();
123 }
124
125 private IResource getInitialSelection() {
126 if (fSelectedNode instanceof PatchFileDiffNode) {
127 PatchFileDiffNode node = (PatchFileDiffNode) fSelectedNode;
128 return fPatcher.getTargetFile(node.getDiffResult().getDiff());
129 } else if (fSelectedNode instanceof HunkDiffNode) {
130 HunkDiffNode node = (HunkDiffNode) fSelectedNode;
131 return fPatcher.getTargetFile(node.getHunkResult().getDiffResult().getDiff());
132 } else if (fSelectedNode instanceof PatchProjectDiffNode) {
133 PatchProjectDiffNode node = (PatchProjectDiffNode) fSelectedNode;
134 DiffProject diffProject = node.getDiffProject();
135 return diffProject.getProject();
136 }
137 return null;
138 }
139
140 private String getTreeLabel() {
141 if (fSelectedNode instanceof PatchProjectDiffNode) {
142 PatchProjectDiffNode node = (PatchProjectDiffNode) fSelectedNode;
143 DiffProject project = node.getDiffProject();
144 return NLS.bind(PatchMessages.PreviewPatchPage_SelectProject, project.getName());
145 } else if (fSelectedNode instanceof PatchFileDiffNode) {
146 PatchFileDiffNode node = (PatchFileDiffNode) fSelectedNode;
147 FileDiff diff = node.getDiffResult().getDiff();
149 return NLS.bind(PatchMessages.RetargetPatchElementDialog_0, fPatcher.getPath(diff));
150 } else if (fSelectedNode instanceof HunkDiffNode) {
151 HunkDiffNode node = (HunkDiffNode) fSelectedNode;
152 Hunk hunk = node.getHunkResult().getHunk();
153 return NLS.bind(PatchMessages.RetargetPatchElementDialog_1, fPatcher.getPath(hunk.getParent()));
154 }
155 return ""; }
157
158 protected void okPressed() {
159 if (fSelectedResource != null){
160 if (fSelectedNode instanceof PatchProjectDiffNode && fSelectedResource instanceof IProject) {
161 PatchProjectDiffNode node = (PatchProjectDiffNode) fSelectedNode;
162 DiffProject project = node.getDiffProject();
163 fPatcher.retargetProject(project, (IProject)fSelectedResource);
164 } else if (fSelectedNode instanceof PatchFileDiffNode && fSelectedResource instanceof IFile) {
165 PatchFileDiffNode node = (PatchFileDiffNode) fSelectedNode;
166 FileDiff diff = node.getDiffResult().getDiff();
168 fPatcher.retargetDiff(diff, (IFile)fSelectedResource);
169 } else if (fSelectedNode instanceof HunkDiffNode && fSelectedResource instanceof IFile) {
170 HunkDiffNode node = (HunkDiffNode) fSelectedNode;
171 fPatcher.retargetHunk(node.getHunkResult().getHunk(), (IFile)fSelectedResource);
172 }
173 }
174 super.okPressed();
175 }
176
177 void setupListeners() {
178 fViewer.addSelectionChangedListener(new ISelectionChangedListener() {
179 public void selectionChanged(SelectionChangedEvent event) {
180 IStructuredSelection s= (IStructuredSelection) event.getSelection();
181 Object obj= s.getFirstElement();
182 if (obj instanceof IResource){
183 fSelectedResource = (IResource) obj;
184 if (fSelectedNode instanceof PatchProjectDiffNode) {
185 if (fSelectedResource instanceof IProject){
186 Button okButton = getButton(IDialogConstants.OK_ID);
187 okButton.setEnabled(true);
188 }
189 } else if (fSelectedNode instanceof PatchFileDiffNode
190 || fSelectedNode instanceof HunkDiffNode) {
191 if (fSelectedResource instanceof IFile){
192 Button okButton = getButton(IDialogConstants.OK_ID);
193 okButton.setEnabled(true);
194 }
195 }
196 }
197 }
198 });
199
200 fViewer.addDoubleClickListener(new IDoubleClickListener() {
201 public void doubleClick(DoubleClickEvent event) {
202 ISelection s= event.getSelection();
203 if (s instanceof IStructuredSelection) {
204 Object item= ((IStructuredSelection) s).getFirstElement();
205 if (fViewer.getExpandedState(item))
206 fViewer.collapseToLevel(item, 1);
207 else
208 fViewer.expandToLevel(item, 1);
209 }
210 }
211 });
212
213 }
214
215 protected Point getInitialSize() {
216 final Point size= super.getInitialSize();
217 size.x= convertWidthInCharsToPixels(75);
218 size.y+= convertHeightInCharsToPixels(20);
219 return size;
220 }
221 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.