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1
11 package org.eclipse.search2.internal.ui;
12
13 import java.util.ArrayList  ;
14 import java.util.Iterator ;
15 import java.util.List ;
16
17 import org.eclipse.swt.SWT;
18 import org.eclipse.swt.events.MouseAdapter;
19 import org.eclipse.swt.events.MouseEvent;
20 import org.eclipse.swt.events.SelectionAdapter;
21 import org.eclipse.swt.events.SelectionEvent;
22 import org.eclipse.swt.graphics.Image;
23 import org.eclipse.swt.layout.GridData;
24 import org.eclipse.swt.layout.GridLayout;
25 import org.eclipse.swt.widgets.Button;
26 import org.eclipse.swt.widgets.Composite;
27 import org.eclipse.swt.widgets.Control;
28 import org.eclipse.swt.widgets.Label;
29 import org.eclipse.swt.widgets.Shell;
30 import org.eclipse.swt.widgets.Table;
31
32 import org.eclipse.jface.dialogs.IDialogConstants;
33 import org.eclipse.jface.resource.ImageDescriptor;
34 import org.eclipse.jface.viewers.ISelection;
35 import org.eclipse.jface.viewers.ISelectionChangedListener;
36 import org.eclipse.jface.viewers.IStructuredSelection;
37 import org.eclipse.jface.viewers.LabelProvider;
38 import org.eclipse.jface.viewers.SelectionChangedEvent;
39 import org.eclipse.jface.viewers.StructuredSelection;
40 import org.eclipse.jface.viewers.TableViewer;
41
42 import org.eclipse.ui.dialogs.SelectionDialog;
43
44 import org.eclipse.search.ui.ISearchResult;
45
46 import org.eclipse.search.internal.ui.util.ListContentProvider;
47 import org.eclipse.search.internal.ui.util.SWTUtil;
48
49
52 public class SearchesDialog extends SelectionDialog {
53
54 private static final int REMOVE_ID= IDialogConstants.CLIENT_ID+1;
55 private static final int WIDTH_IN_CHARACTERS= 55;
56
57 private List fInput;
58 private TableViewer fViewer;
59 private Button fRemoveButton;
60
61 private static final class SearchesLabelProvider extends LabelProvider {
62
63 private ArrayList fImages= new ArrayList ();
64
65 public String getText(Object element) {
66 return ((ISearchResult)element).getLabel();
67 }
68
69 public Image getImage(Object element) {
70
71 ImageDescriptor imageDescriptor= ((ISearchResult)element).getImageDescriptor();
72 if (imageDescriptor == null)
73 return null;
74
75 Image image= imageDescriptor.createImage();
76 fImages.add(image);
77
78 return image;
79 }
80
81 public void dispose() {
82 Iterator iter= fImages.iterator();
83 while (iter.hasNext())
84 ((Image)iter.next()).dispose();
85
86 fImages= null;
87 }
88 }
89
90 public SearchesDialog(Shell parent, List input) {
91 super(parent);
92 setTitle(SearchMessages.SearchesDialog_title);
93 setMessage(SearchMessages.SearchesDialog_message);
94 fInput= input;
95 }
96
97
100 protected Label createMessageArea(Composite composite) {
101 Label label = new Label(composite,SWT.WRAP);
102 label.setText(getMessage());
103 GridData gd= new GridData(GridData.FILL_BOTH);
104 gd.widthHint= convertWidthInCharsToPixels(WIDTH_IN_CHARACTERS);
105 label.setLayoutData(gd);
106 applyDialogFont(label);
107 return label;
108 }
109
110
111
112
115 public void create() {
116 super.create();
117
118 List initialSelection= getInitialElementSelections();
119 if (initialSelection != null)
120 fViewer.setSelection(new StructuredSelection(initialSelection));
121
122 validateDialogState();
123 }
124
125
128 protected Control createDialogArea(Composite container) {
129 Composite ancestor= (Composite) super.createDialogArea(container);
130
131 createMessageArea(ancestor);
132
133 Composite parent= new Composite(ancestor, SWT.NONE);
134
135 GridLayout layout= new GridLayout();
136 layout.numColumns= 2;
137 layout.marginHeight= 0;
138 layout.marginWidth= 0;
139 parent.setLayout(layout);
140
141
142 fViewer= new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
143 fViewer.setContentProvider(new ListContentProvider());
144
145 final Table table= fViewer.getTable();
146 table.addMouseListener(new MouseAdapter() {
147 public void mouseDoubleClick(MouseEvent e) {
148 okPressed();
149 }
150 });
151 fViewer.setLabelProvider(new SearchesLabelProvider());
152 GridData gd= new GridData(GridData.FILL_BOTH);
153 gd.heightHint= convertHeightInCharsToPixels(15);
154 gd.widthHint= convertWidthInCharsToPixels(WIDTH_IN_CHARACTERS);
155 table.setLayoutData(gd);
156
157
158 fRemoveButton= new Button(parent, SWT.PUSH);
159 fRemoveButton.setText(SearchMessages.SearchesDialog_remove_label);
160 fRemoveButton.addSelectionListener(new SelectionAdapter() {
161 public void widgetSelected(SelectionEvent event) {
162 buttonPressed(REMOVE_ID);
163 }
164 });
165 fRemoveButton.setLayoutData(new GridData(GridData.BEGINNING, GridData.BEGINNING, false, false));
166 SWTUtil.setButtonDimensionHint(fRemoveButton);
167
168 fViewer.addSelectionChangedListener(new ISelectionChangedListener() {
169 public void selectionChanged(SelectionChangedEvent event) {
170 validateDialogState();
171 }
172 });
173
174 applyDialogFont(ancestor);
175
176 fViewer.setInput(fInput);
178 return table;
179 }
180
181 protected final void validateDialogState() {
182 IStructuredSelection sel= (IStructuredSelection) fViewer.getSelection();
183 int elementsSelected= sel.toList().size();
184
185 fRemoveButton.setEnabled(elementsSelected > 0);
186 Button okButton= getOkButton();
187 if (okButton != null) {
188 okButton.setEnabled(elementsSelected == 1);
189 }
190 }
191
192
193 protected void buttonPressed(int buttonId) {
194 if (buttonId == REMOVE_ID) {
195 IStructuredSelection selection= (IStructuredSelection) fViewer.getSelection();
196 Iterator searchResults= selection.iterator();
197 while (searchResults.hasNext()) {
198 ISearchResult result= (ISearchResult)searchResults.next();
199 InternalSearchUI.getInstance().removeQuery(result.getQuery());
200 fInput.remove(result);
201 fViewer.remove(result);
202 }
203 if (fViewer.getSelection().isEmpty() && !fInput.isEmpty()) {
204 fViewer.setSelection(new StructuredSelection(fInput.get(0)));
205 }
206 return;
207 }
208 super.buttonPressed(buttonId);
209 }
210
211
214 protected void okPressed() {
215 ISelection selection= fViewer.getSelection();
217 if (selection instanceof IStructuredSelection)
218 setResult(((IStructuredSelection)fViewer.getSelection()).toList());
219 super.okPressed();
220 }
221 }
222
223
224 |
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