|
1
17 package org.eclipse.emf.importer.ui.contribution.base;
18
19 import org.eclipse.core.runtime.IStatus;
20 import org.eclipse.jface.dialogs.ErrorDialog;
21 import org.eclipse.jface.dialogs.IMessageProvider;
22 import org.eclipse.jface.wizard.IWizardPage;
23 import org.eclipse.jface.wizard.WizardPage;
24 import org.eclipse.swt.graphics.Image;
25 import org.eclipse.swt.widgets.Event;
26 import org.eclipse.swt.widgets.Listener;
27
28 import org.eclipse.emf.importer.ImporterPlugin;
29 import org.eclipse.emf.importer.ModelImporter;
30 import org.eclipse.emf.importer.util.ImporterUtil;
31
32
33
36 public abstract class ModelImporterPage extends WizardPage implements Listener
37 {
38 public static final int CAUSE_UNKNOWN = 0;
39 public static final int CAUSE_BACK = 1;
40 public static final int CAUSE_NEXT = 2;
41 public static final int CAUSE_FINISH = 3;
42 public static final int CAUSE_CANCEL = 4;
43
44 protected ModelImporter modelImporter;
45 protected boolean neverVisible = true;
46 protected boolean forwardDirection = true;
47 protected boolean handlingEvent = true;
48
49 public ModelImporterPage(ModelImporter modelImporter, String  pageName)
50 {
51 super(pageName);
52 this.modelImporter = modelImporter;
53 setPageComplete(false);
54 }
55
56 public void dispose()
57 {
58 modelImporter = null;
59 super.dispose();
60 }
61
62 public ModelImporter getModelImporter()
63 {
64 return modelImporter;
65 }
66
67 protected void pageActivated(boolean firstTime, int cause)
68 {
69 }
70
71 protected void pageDeactivated(int cause)
72 {
73 }
74
75 public IWizardPage getNextPage()
76 {
77 forwardDirection = true;
78 return super.getNextPage();
79 }
80
81 public IWizardPage getPreviousPage()
82 {
83 forwardDirection = false;
84 return super.getPreviousPage();
85 }
86
87 public boolean isPageComplete()
88 {
89 return getErrorMessage() == null;
90 }
91
92 public boolean isHandlingEvent()
93 {
94 return handlingEvent;
95 }
96
97 public void setHandlingEvent(boolean handlingEvent)
98 {
99 this.handlingEvent = handlingEvent;
100 }
101
102 public void handleEvent(Event event)
103 {
104 if (isHandlingEvent())
105 {
106 doHandleEvent(event);
107 }
108 }
109
110 protected void doHandleEvent(Event event)
111 {
112
113 }
114
115 protected void handleStatus(IStatus status)
116 {
117 handleStatus(status, null, null, null);
118 }
119
120 protected void handleStatus(IStatus status, String message, String dialogTitle, String dialogMessage)
121 {
122 if (status.isOK())
123 {
124 handleOKStatus(status, message, dialogTitle, dialogMessage);
125 }
126 else
127 {
128 handleNotOKStatus(status, decodeAction(status), message, dialogTitle, dialogMessage);
129 }
130 }
131
132 protected ImporterUtil.DecodedAction decodeAction(IStatus status)
133 {
134 int actionCode = ImporterUtil.computeActionCode(status);
135 return ImporterUtil.decodeAction(actionCode);
136 }
137
138 protected void handleOKStatus(IStatus status, String message, String dialogTitle, String dialogMessage)
139 {
140 setMessage(null);
141 setErrorMessage(null);
142 }
143
144 protected void handleNotOKStatus(IStatus status, ImporterUtil.DecodedAction decodedAction, String message, String dialogTitle, String dialogMessage)
145 {
146 int messageType = 0;
147 switch(status.getSeverity())
148 {
149 case IStatus.INFO:
150 {
151 messageType = IMessageProvider.INFORMATION;
152 if (dialogTitle == null) ImporterPlugin.INSTANCE.getString("_UI_DialogInformation_title");
153 break;
154 }
155 case IStatus.WARNING:
156 messageType = IMessageProvider.WARNING;
157 if (dialogTitle == null) dialogTitle = ImporterPlugin.INSTANCE.getString("_UI_DialogWarning_title");
158 break;
159 case IStatus.ERROR:
160 messageType = IMessageProvider.ERROR;
161 if (dialogTitle == null) dialogTitle = ImporterPlugin.INSTANCE.getString("_UI_DialogError_title");
162 break;
163 }
164
165 if (message == null) message = status.getMessage();
166 setErrorMessage(null);
167 setMessage(null);
168 switch(decodedAction.message)
169 {
170 case ImporterUtil.ACTION_MESSAGE_SET:
171 {
172 setMessage(message);
173 break;
174 }
175 case ImporterUtil.ACTION_DEFAULT:
176 case ImporterUtil.ACTION_MESSAGE_SET_TYPED:
177 {
178 if (messageType == IMessageProvider.ERROR)
179 {
180 setErrorMessage(message);
181 }
182 else
183 {
184 setMessage(message, messageType);
185 }
186 break;
187 }
188 case ImporterUtil.ACTION_MESSAGE_SET_ERROR:
189 {
190 setErrorMessage(message);
191 break;
192 }
193 }
194
195 switch(decodedAction.dialog)
196 {
197 case ImporterUtil.ACTION_DEFAULT:
198 case ImporterUtil.ACTION_DIALOG_SHOW_IF_HAS_CHILD:
199 {
200 if (status.getChildren().length > 0)
201 {
202 ErrorDialog.openError(getShell(), dialogTitle, dialogMessage, status);
203 }
204 break;
205 }
206 case ImporterUtil.ACTION_DIALOG_SHOW:
207 {
208 ErrorDialog.openError(getShell(), dialogTitle, dialogMessage, status);
209 break;
210 }
211 case ImporterUtil.ACTION_DIALOG_SHOW_ERROR:
212 {
213 new ErrorDialog(getShell(),
214 dialogTitle,
215 dialogMessage,
216 status, IStatus.INFO | IStatus.WARNING | IStatus.ERROR)
217 {
218 protected Image getImage()
219 {
220 return getErrorImage();
221 }
222 }.open();
223 break;
224 }
225 }
226 }
227 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.