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1
11 package org.eclipse.ant.internal.ui.launchConfigurations;
12
13
14 import java.util.ArrayList  ;
15 import java.util.Arrays ;
16 import java.util.Iterator ;
17 import java.util.List ;
18 import org.eclipse.ant.internal.ui.IAntUIHelpContextIds;
19 import org.eclipse.ant.internal.ui.model.AntModelContentProvider;
20 import org.eclipse.ant.internal.ui.model.AntModelLabelProvider;
21 import org.eclipse.jface.dialogs.Dialog;
22 import org.eclipse.jface.viewers.ISelectionChangedListener;
23 import org.eclipse.jface.viewers.IStructuredSelection;
24 import org.eclipse.jface.viewers.SelectionChangedEvent;
25 import org.eclipse.jface.viewers.TableViewer;
26 import org.eclipse.swt.SWT;
27 import org.eclipse.swt.events.SelectionAdapter;
28 import org.eclipse.swt.events.SelectionEvent;
29 import org.eclipse.swt.layout.GridData;
30 import org.eclipse.swt.layout.GridLayout;
31 import org.eclipse.swt.widgets.Button;
32 import org.eclipse.swt.widgets.Composite;
33 import org.eclipse.swt.widgets.Control;
34 import org.eclipse.swt.widgets.Label;
35 import org.eclipse.swt.widgets.Shell;
36 import org.eclipse.swt.widgets.Table;
37 import org.eclipse.ui.PlatformUI;
38
39
42 public class TargetOrderDialog extends Dialog implements ISelectionChangedListener {
43
44 private Button fUp;
45 private Button fDown;
46 private TableViewer fViewer;
47 private Object [] fTargets;
48
49
54 public TargetOrderDialog(Shell parentShell, Object [] targets) {
55 super(parentShell);
56 fTargets = targets;
57 }
58
59
62 protected Control createDialogArea(Composite parent) {
63 getShell().setText(AntLaunchConfigurationMessages.TargetOrderDialog_Order_Targets_1);
64
65 Composite comp = (Composite)super.createDialogArea(parent);
66 ((GridLayout)comp.getLayout()).numColumns= 2;
67 Label label = new Label(comp, SWT.NONE);
68 label.setText(AntLaunchConfigurationMessages.TargetOrderDialog__Specify_target_execution_order__2);
69 label.setFont(comp.getFont());
70 GridData gd = new GridData(GridData.FILL_HORIZONTAL);
71 gd.horizontalSpan = 2;
72 label.setLayoutData(gd);
73
74 createTargetList(comp);
75
76 createButtons(comp);
77
78 updateButtons();
79
80 return comp;
81 }
82
83
88 private void createButtons(Composite parent) {
89 Composite comp = new Composite(parent, SWT.NONE);
90 GridLayout layout = new GridLayout();
91 layout.marginHeight= 0;
92 layout.marginWidth= 0;
93 GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
94 gd.verticalAlignment = GridData.BEGINNING;
95 comp.setLayout(layout);
96 comp.setLayoutData(gd);
97
98 fUp = new Button(comp, SWT.PUSH);
99 fUp.setFont(parent.getFont());
100 fUp.setText(AntLaunchConfigurationMessages.TargetOrderDialog__Up_3);
101 setButtonLayoutData(fUp);
102 fUp.addSelectionListener(new SelectionAdapter() {
103 public void widgetSelected(SelectionEvent e) {
104 handleUpPressed();
105 }
106 });
107
108 fDown = new Button(comp, SWT.PUSH);
109 fDown.setFont(parent.getFont());
110 fDown.setText(AntLaunchConfigurationMessages.TargetOrderDialog__Down_4);
111 setButtonLayoutData(fDown);
112 fDown.addSelectionListener(new SelectionAdapter() {
113 public void widgetSelected(SelectionEvent e) {
114 handleDownPressed();
115 }
116 });
117 }
118
119 private void handleDownPressed() {
120 List targets = getOrderedSelection();
121 if (targets.isEmpty()) {
122 return;
123 }
124 List list= new ArrayList (Arrays.asList(fTargets));
125 int bottom = list.size() - 1;
126 int index = 0;
127 for (int i = targets.size() - 1; i >= 0; i--) {
128 Object target = targets.get(i);
129 index = list.indexOf(target);
130 if (index < bottom) {
131 bottom = index + 1;
132 Object temp = list.get(bottom);
133 list.set(bottom, target);
134 list.set(index, temp);
135 }
136 bottom = index;
137 }
138 setEntries(list);
139 }
140
141 private void handleUpPressed() {
142 List targets = getOrderedSelection();
143 if (targets.isEmpty()) {
144 return;
145 }
146 int top = 0;
147 int index = 0;
148 List list= new ArrayList (Arrays.asList(fTargets));
149 Iterator entries = targets.iterator();
150 while (entries.hasNext()) {
151 Object target = entries.next();
152 index = list.indexOf(target);
153 if (index > top) {
154 top = index - 1;
155 Object temp = list.get(top);
156 list.set(top, target);
157 list.set(index, temp);
158 }
159 top = index;
160 }
161 setEntries(list);
162 }
163
164
167 private void setEntries(List list) {
168 fTargets= list.toArray();
169 fViewer.setInput(fTargets);
170 fViewer.setSelection(fViewer.getSelection());
172 }
173
174
180 private List getOrderedSelection() {
181 List targets = new ArrayList ();
182 List selection = ((IStructuredSelection)fViewer.getSelection()).toList();
183 Object [] entries = fTargets;
184 for (int i = 0; i < entries.length; i++) {
185 Object target = entries[i];
186 if (selection.contains(target)) {
187 targets.add(target);
188 }
189 }
190 return targets;
191 }
192
193
198 private void createTargetList(Composite comp) {
199 fViewer = new TableViewer(comp, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER);
200 fViewer.setLabelProvider(new AntModelLabelProvider());
201
202 fViewer.setContentProvider(new AntModelContentProvider());
203 fViewer.setInput(fTargets);
204 fViewer.addSelectionChangedListener(this);
205 Table table = fViewer.getTable();
206 GridData gd = new GridData(GridData.FILL_BOTH);
207 gd.heightHint = 200;
208 gd.widthHint = 250;
209 table.setLayoutData(gd);
210 table.setFont(comp.getFont());
211 }
212
213
216 public Object [] getTargets() {
217 return fTargets;
218 }
219
220
225 public void selectionChanged(SelectionChangedEvent event) {
226 updateButtons();
227 }
228
229 private void updateButtons() {
230 int[] selections = fViewer.getTable().getSelectionIndices();
231 int last = fTargets.length - 1;
232 boolean up = true && selections.length > 0;
233 boolean down = true && selections.length > 0;
234 for (int i = 0; i < selections.length; i++) {
235 if (selections[i] == 0) {
236 up = false;
237 }
238 if (selections[i] == last) {
239 down = false;
240 }
241 }
242 fUp.setEnabled(up);
243 fDown.setEnabled(down);
244 }
245
246
249 protected void configureShell(Shell shell) {
250 super.configureShell(shell);
251 PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IAntUIHelpContextIds.TARGET_ORDER_DIALOG);
252 }
253 }
254 |
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