Source Code Cross Referenced for BootClassesPanel.java in  » Net » Terracotta » org » terracotta » dso » editors » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » Terracotta » org.terracotta.dso.editors 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright
003:         * notice. All rights reserved.
004:         */
005:        package org.terracotta.dso.editors;
006:
007:        import org.apache.xmlbeans.XmlObject;
008:        import org.eclipse.core.resources.IProject;
009:        import org.eclipse.jdt.core.IJavaElement;
010:        import org.eclipse.jdt.core.IJavaProject;
011:        import org.eclipse.jdt.core.IType;
012:        import org.eclipse.jdt.core.JavaCore;
013:        import org.eclipse.jdt.core.JavaModelException;
014:        import org.eclipse.jdt.core.search.IJavaSearchScope;
015:        import org.eclipse.jdt.core.search.SearchEngine;
016:        import org.eclipse.jdt.ui.IJavaElementSearchConstants;
017:        import org.eclipse.jdt.ui.JavaUI;
018:        import org.eclipse.swt.SWT;
019:        import org.eclipse.swt.events.SelectionAdapter;
020:        import org.eclipse.swt.events.SelectionEvent;
021:        import org.eclipse.swt.layout.GridData;
022:        import org.eclipse.swt.layout.GridLayout;
023:        import org.eclipse.swt.widgets.Button;
024:        import org.eclipse.swt.widgets.Composite;
025:        import org.eclipse.swt.widgets.Event;
026:        import org.eclipse.swt.widgets.Label;
027:        import org.eclipse.swt.widgets.Listener;
028:        import org.eclipse.swt.widgets.Table;
029:        import org.eclipse.swt.widgets.TableColumn;
030:        import org.eclipse.swt.widgets.TableItem;
031:        import org.eclipse.ui.dialogs.SelectionDialog;
032:        import org.terracotta.dso.PatternHelper;
033:        import org.terracotta.ui.util.SWTUtil;
034:
035:        import com.terracottatech.config.AdditionalBootJarClasses;
036:        import com.terracottatech.config.DsoApplication;
037:        import com.terracottatech.config.QualifiedClassName;
038:
039:        public class BootClassesPanel extends ConfigurationEditorPanel {
040:            private IProject m_project;
041:            private DsoApplication m_dsoApp;
042:            private AdditionalBootJarClasses m_bootClasses;
043:
044:            private final Layout m_layout;
045:
046:            private AddHandler m_addHandler;
047:            private RemoveHandler m_removeHandler;
048:            private TableSelectionListener m_tableSelectionListener;
049:            private TableDataListener m_tableDataListener;
050:
051:            private static final String CLASS_SELECT_TITLE = "DSO Application Configuration";
052:            private static final String CLASS_SELECT_MESSAGE = "Select system classes to add to DSO Boot Jar";
053:
054:            public BootClassesPanel(Composite parent, int style) {
055:                super (parent, style);
056:                m_layout = new Layout(this );
057:                m_addHandler = new AddHandler();
058:                m_removeHandler = new RemoveHandler();
059:                m_tableSelectionListener = new TableSelectionListener();
060:                m_tableDataListener = new TableDataListener();
061:            }
062:
063:            public boolean hasAnySet() {
064:                return m_bootClasses != null
065:                        && m_bootClasses.sizeOfIncludeArray() > 0;
066:            }
067:
068:            private AdditionalBootJarClasses ensureAdditionalBootClasses() {
069:                if (m_bootClasses == null) {
070:                    ensureXmlObject();
071:                }
072:                return m_bootClasses;
073:            }
074:
075:            public void ensureXmlObject() {
076:                super .ensureXmlObject();
077:
078:                if (m_bootClasses == null) {
079:                    removeListeners();
080:                    m_bootClasses = m_dsoApp.addNewAdditionalBootJarClasses();
081:                    updateChildren();
082:                    addListeners();
083:                }
084:            }
085:
086:            private void testRemoveBootClasses() {
087:                if (!hasAnySet()
088:                        && m_dsoApp.getAdditionalBootJarClasses() != null) {
089:                    m_dsoApp.unsetAdditionalBootJarClasses();
090:                    m_bootClasses = null;
091:                    fireXmlObjectStructureChanged(m_dsoApp);
092:                }
093:                fireBootClassesChanged();
094:                testDisableRemoveButton();
095:            }
096:
097:            private void testDisableRemoveButton() {
098:                m_layout.m_removeButton.setEnabled(m_layout.m_table
099:                        .getSelectionCount() > 0);
100:            }
101:
102:            private void addListeners() {
103:                m_layout.m_addButton.addSelectionListener(m_addHandler);
104:                m_layout.m_removeButton.addSelectionListener(m_removeHandler);
105:                m_layout.m_table.addSelectionListener(m_tableSelectionListener);
106:                m_layout.m_table.addListener(SWT.SetData, m_tableDataListener);
107:            }
108:
109:            private void removeListeners() {
110:                m_layout.m_addButton.removeSelectionListener(m_addHandler);
111:                m_layout.m_removeButton
112:                        .removeSelectionListener(m_removeHandler);
113:                m_layout.m_table
114:                        .removeSelectionListener(m_tableSelectionListener);
115:                m_layout.m_table.removeListener(SWT.SetData,
116:                        m_tableDataListener);
117:            }
118:
119:            public void updateChildren() {
120:                initTableItems();
121:                testDisableRemoveButton();
122:            }
123:
124:            public void updateModel() {
125:                removeListeners();
126:                updateChildren();
127:                addListeners();
128:            }
129:
130:            public void setup(IProject project, DsoApplication dsoApp) {
131:                setEnabled(true);
132:                removeListeners();
133:
134:                m_project = project;
135:                m_dsoApp = dsoApp;
136:                m_bootClasses = m_dsoApp != null ? m_dsoApp
137:                        .getAdditionalBootJarClasses() : null;
138:
139:                updateChildren();
140:                addListeners();
141:            }
142:
143:            public void tearDown() {
144:                removeListeners();
145:
146:                m_dsoApp = null;
147:                m_bootClasses = null;
148:
149:                setEnabled(false);
150:            }
151:
152:            private void initTableItems() {
153:                m_layout.m_table.removeAll();
154:                if (m_bootClasses == null)
155:                    return;
156:                XmlObject[] includes = m_bootClasses.selectPath("*");
157:                for (int i = 0; i < includes.length; i++) {
158:                    createTableItem((QualifiedClassName) includes[i]);
159:                }
160:                if (includes.length > 0) {
161:                    m_layout.m_table.setSelection(0);
162:                }
163:            }
164:
165:            private void createTableItem(QualifiedClassName element) {
166:                TableItem item = new TableItem(m_layout.m_table, SWT.NONE);
167:                item.setText(element.getStringValue());
168:                item.setData(element);
169:            }
170:
171:            private void internalAddBootClass(String typeName) {
172:                AdditionalBootJarClasses bootClasses = ensureAdditionalBootClasses();
173:                bootClasses.addInclude(typeName);
174:                createTableItem(bootClasses.xgetIncludeArray(bootClasses
175:                        .sizeOfIncludeArray() - 1));
176:
177:                int row = m_layout.m_table.getItemCount() - 1;
178:                m_layout.m_table.setSelection(row);
179:            }
180:
181:            public boolean isBootClass(String typeName) {
182:                AdditionalBootJarClasses bootClasses = ensureAdditionalBootClasses();
183:
184:                for (int i = 0; i < bootClasses.sizeOfIncludeArray(); i++) {
185:                    if (typeName.equals(bootClasses.getIncludeArray(i))) {
186:                        return true;
187:                    }
188:                }
189:
190:                return false;
191:            }
192:
193:            private static class Layout {
194:                private static final String BOOT_CLASSES = "Boot Classes";
195:                private static final String ADD = "Add...";
196:                private static final String REMOVE = "Remove";
197:
198:                private Button m_addButton;
199:                private Button m_removeButton;
200:                private Table m_table;
201:
202:                public void reset() {
203:                    m_removeButton.setEnabled(false);
204:                    m_table.removeAll();
205:                }
206:
207:                private Layout(Composite parent) {
208:                    Composite comp = new Composite(parent, SWT.NONE);
209:                    GridLayout gridLayout = new GridLayout(2, false);
210:                    gridLayout.marginWidth = gridLayout.marginHeight = 10;
211:                    comp.setLayout(gridLayout);
212:
213:                    Composite sidePanel = new Composite(comp, SWT.NONE);
214:                    gridLayout = new GridLayout();
215:                    gridLayout.marginWidth = gridLayout.marginHeight = 0;
216:                    sidePanel.setLayout(gridLayout);
217:                    sidePanel.setLayoutData(new GridData(GridData.FILL_BOTH));
218:
219:                    Label label = new Label(sidePanel, SWT.NONE);
220:                    label.setText(BOOT_CLASSES);
221:                    label.setLayoutData(new GridData(
222:                            GridData.VERTICAL_ALIGN_BEGINNING));
223:
224:                    m_table = new Table(sidePanel, SWT.BORDER | SWT.MULTI
225:                            | SWT.FULL_SELECTION | SWT.V_SCROLL);
226:                    m_table.setHeaderVisible(true);
227:                    m_table.setLinesVisible(true);
228:                    SWTUtil.makeTableColumnsResizeWeightedWidth(sidePanel,
229:                            m_table, new int[] { 3, 1 });
230:                    SWTUtil.makeTableColumnsEditable(m_table, new int[] { 0 });
231:                    GridData gridData = new GridData(GridData.FILL_BOTH);
232:                    gridData.heightHint = SWTUtil.tableRowsToPixels(m_table, 3);
233:                    m_table.setLayoutData(gridData);
234:
235:                    TableColumn column = new TableColumn(m_table, SWT.NONE);
236:                    column.setText(BOOT_CLASSES);
237:                    column.pack();
238:
239:                    Composite buttonPanel = new Composite(comp, SWT.NONE);
240:                    gridLayout = new GridLayout();
241:                    gridLayout.marginWidth = gridLayout.marginHeight = 0;
242:                    buttonPanel.setLayout(gridLayout);
243:                    buttonPanel.setLayoutData(new GridData(
244:                            GridData.VERTICAL_ALIGN_BEGINNING));
245:
246:                    new Label(buttonPanel, SWT.NONE); // filler
247:
248:                    m_addButton = new Button(buttonPanel, SWT.PUSH);
249:                    m_addButton.setText(ADD);
250:                    m_addButton.setLayoutData(new GridData(
251:                            GridData.VERTICAL_ALIGN_END));
252:                    SWTUtil.applyDefaultButtonSize(m_addButton);
253:
254:                    m_removeButton = new Button(buttonPanel, SWT.PUSH);
255:                    m_removeButton.setText(REMOVE);
256:                    m_removeButton.setEnabled(false);
257:                    m_removeButton.setLayoutData(new GridData(
258:                            GridData.VERTICAL_ALIGN_BEGINNING));
259:                    SWTUtil.applyDefaultButtonSize(m_removeButton);
260:                }
261:            }
262:
263:            class AddHandler extends SelectionAdapter {
264:                public void widgetSelected(SelectionEvent e) {
265:                    m_layout.m_table.forceFocus();
266:                    IJavaProject javaProject = JavaCore.create(m_project);
267:                    int filter = IJavaSearchScope.SYSTEM_LIBRARIES;
268:                    IJavaElement[] elements = new IJavaElement[] { javaProject };
269:                    IJavaSearchScope scope = SearchEngine
270:                            .createJavaSearchScope(elements, filter);
271:                    int style = IJavaElementSearchConstants.CONSIDER_ALL_TYPES;
272:                    SelectionDialog dialog;
273:                    try {
274:                        dialog = JavaUI.createTypeDialog(getShell(), null,
275:                                scope, style, true);
276:                    } catch (JavaModelException jme) {
277:                        jme.printStackTrace();
278:                        return;
279:                    }
280:                    dialog.setTitle(CLASS_SELECT_TITLE);
281:                    dialog.setMessage(CLASS_SELECT_MESSAGE);
282:                    dialog.open();
283:                    Object[] items = dialog.getResult();
284:                    if (items != null) {
285:                        for (int i = 0; i < items.length; i++) {
286:                            internalAddBootClass(PatternHelper
287:                                    .getFullyQualifiedName((IType) items[i]));
288:                        }
289:                        fireBootClassesChanged();
290:                    }
291:                }
292:            }
293:
294:            class RemoveHandler extends SelectionAdapter {
295:                public void widgetSelected(SelectionEvent e) {
296:                    m_layout.m_table.forceFocus();
297:                    int[] selection = m_layout.m_table.getSelectionIndices();
298:
299:                    for (int i = selection.length - 1; i >= 0; i--) {
300:                        ensureAdditionalBootClasses().removeInclude(
301:                                selection[i]);
302:                    }
303:                    m_layout.m_table.remove(selection);
304:                    testRemoveBootClasses();
305:                }
306:            }
307:
308:            class TableSelectionListener extends SelectionAdapter {
309:                public void widgetSelected(SelectionEvent e) {
310:                    m_layout.m_removeButton.setEnabled(true);
311:                }
312:            }
313:
314:            class TableDataListener implements  Listener {
315:                public void handleEvent(Event e) {
316:                    TableItem item = (TableItem) e.item;
317:                    QualifiedClassName qcn = (QualifiedClassName) item
318:                            .getData();
319:                    qcn.setStringValue(item.getText(e.index));
320:                    fireBootClassesChanged();
321:                }
322:            }
323:        }
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