Source Code Cross Referenced for FormView.java in  » Apache-Harmony-Java-SE » javax-package » javax » swing » text » html » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » javax package » javax.swing.text.html 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:        /**
018:         * @author Roman I. Chernyatchik
019:         * @version $Revision$
020:         */package javax.swing.text.html;
021:
022:        import java.awt.Component;
023:        import java.awt.Dimension;
024:        import java.awt.event.ActionEvent;
025:        import java.awt.event.ActionListener;
026:        import java.awt.event.MouseAdapter;
027:        import java.awt.event.MouseEvent;
028:
029:        import javax.swing.AbstractButton;
030:        import javax.swing.Icon;
031:        import javax.swing.JToggleButton;
032:        import javax.swing.text.AttributeSet;
033:        import javax.swing.text.BadLocationException;
034:        import javax.swing.text.ComponentView;
035:        import javax.swing.text.Element;
036:        import javax.swing.text.StyleConstants;
037:        import javax.swing.text.View;
038:        import javax.swing.text.html.FormViewComponentFactory.InputImageIcon;
039:
040:        import org.apache.harmony.x.swing.Utilities;
041:        import org.apache.harmony.x.swing.text.html.form.Form;
042:        import org.apache.harmony.x.swing.text.html.form.FormAttributes;
043:        import org.apache.harmony.x.swing.text.html.form.FormButtonModel;
044:        import org.apache.harmony.x.swing.text.html.form.FormElement;
045:        import org.apache.harmony.x.swing.text.html.form.FormSelectComboBoxModel;
046:        import org.apache.harmony.x.swing.text.html.form.FormSelectListModel;
047:        import org.apache.harmony.x.swing.text.html.form.FormTextModel;
048:        import org.apache.harmony.x.swing.text.html.form.FormToggleButtonModel;
049:        import org.apache.harmony.x.swing.internal.nls.Messages;
050:
051:        import org.apache.harmony.x.swing.internal.nls.Messages;
052:
053:        public class FormView extends ComponentView implements  ActionListener {
054:            private static final int EMPTY_SPAN = 0;
055:
056:            protected class MouseEventListener extends MouseAdapter {
057:                public void mouseReleased(final MouseEvent evt) {
058:                    throw new UnsupportedOperationException(Messages
059:                            .getString("swing.27")); //$NON-NLS-1$
060:                }
061:            }
062:
063:            /**
064:             * @deprecated
065:             */
066:            public static final String RESET = "Reset";
067:
068:            /**
069:             * @deprecated
070:             */
071:            public static final String SUBMIT = "Submit Query";
072:
073:            private int inputTypeIndex = FormAttributes.INPUT_TYPE_INDEX_UNDEFINED;
074:
075:            public FormView(final Element elem) {
076:                super (elem);
077:            }
078:
079:            public float getMaximumSpan(final int axis) {
080:                if (axis != View.X_AXIS && axis != View.Y_AXIS) {
081:                    throw new IllegalArgumentException(Messages.getString(
082:                            "swing.00", axis)); //$NON-NLS-1$ 
083:                }
084:                if (getComponent() == null || getParent() == null) {
085:                    return EMPTY_SPAN;
086:                }
087:
088:                Object tag = getElement().getAttributes().getAttribute(
089:                        StyleConstants.NameAttribute);
090:                if (HTML.Tag.INPUT.equals(tag) || HTML.Tag.TEXTAREA.equals(tag)
091:                        || HTML.Tag.BUTTON.equals(tag)) {
092:
093:                    return getPreferredSpan(axis);
094:                } else if (HTML.Tag.SELECT.equals(tag)) {
095:                    if (getAttributes().getAttribute(HTML.Attribute.MULTIPLE) == null) {
096:                        return getPreferredSpan(axis);
097:                    }
098:                }
099:                if (axis == View.X_AXIS) {
100:                    return getComponent().getMaximumSize().width + 2;
101:                } else {
102:                    return getComponent().getMaximumSize().height;
103:                }
104:            }
105:
106:            public void actionPerformed(final ActionEvent event) {
107:                final Object source = event.getSource();
108:                try {
109:                    switch (inputTypeIndex) {
110:                    case FormAttributes.INPUT_TYPE_PASSWORD_INDEX:
111:                        //                Document doc = ((JTextComponent) source).getDocument();
112:                        /*
113:                         * If password is last element in form, form
114:                         * should be submitted.
115:                         *
116:                         * determineValidControls();
117:                         */
118:                        break;
119:                    case FormAttributes.INPUT_TYPE_TEXT_INDEX:
120:                        /*
121:                         * If text is last element in form, form
122:                         * should be submitted.
123:                         *
124:                         * determineValidControls();
125:                         */
126:                        break;
127:                    case FormAttributes.INPUT_TYPE_SUBMIT_INDEX:
128:                        final Form form = ((FormButtonModel) ((AbstractButton) source)
129:                                .getModel()).getForm();
130:                        determineValidControls(form);
131:                        /*
132:                         * TODO Submit form.
133:                         */
134:                        break;
135:                    case FormAttributes.INPUT_TYPE_RESET_INDEX:
136:                        resetForm(((FormButtonModel) ((AbstractButton) source)
137:                                .getModel()).getForm());
138:                        break;
139:                    default:
140:                        // Do nothing
141:                        break;
142:                    }
143:                } catch (ClassCastException e) {
144:                    // Do nothing
145:                }
146:            }
147:
148:            public void preferenceChanged(final View child,
149:                    final boolean width, final boolean height) {
150:
151:                if (getParent() != null) {
152:                    if (inputTypeIndex == FormAttributes.INPUT_TYPE_IMAGE_INDEX) {
153:                        final AbstractButton image = (AbstractButton) getComponent();
154:                        if (image == null) {
155:                            return;
156:                        }
157:                        final Dimension size;
158:                        final Icon icon = image.getIcon();
159:                        if (!(icon instanceof  InputImageIcon)
160:                                || ((InputImageIcon) icon).imageWasLoaded()) {
161:                            image.setBorderPainted(false);
162:                            size = new Dimension(icon.getIconWidth(), icon
163:                                    .getIconHeight());
164:                        } else {
165:                            size = image.getPreferredSize();
166:                        }
167:                        image.setMinimumSize(size);
168:                        image.setPreferredSize(size);
169:                        image.setMaximumSize(size);
170:                        image.setContentAreaFilled(false);
171:                        image.setFocusPainted(false);
172:                    }
173:                }
174:                super .preferenceChanged(this , width, height);
175:            }
176:
177:            protected Component createComponent() {
178:                try {
179:                    final AttributeSet attrs = getElement().getAttributes();
180:                    final FormElement model = (FormElement) attrs
181:                            .getAttribute(StyleConstants.ModelAttribute);
182:
183:                    //            if (model == null) {
184:                    //                return null;
185:                    //            }
186:                    //            inputTypeIndex = model.getElementType();
187:                    inputTypeIndex = FormAttributes.getElementTypeIndex(attrs);
188:
189:                    switch (inputTypeIndex) {
190:
191:                    case FormAttributes.INPUT_TYPE_BUTTON_INDEX:
192:                        return FormViewComponentFactory
193:                                .createInputButtonComponent(model, attrs);
194:
195:                    case FormAttributes.INPUT_TYPE_IMAGE_INDEX:
196:                        return FormViewComponentFactory
197:                                .createInputImageComponent(model, attrs, this );
198:
199:                    case FormAttributes.INPUT_TYPE_RESET_INDEX:
200:                        return FormViewComponentFactory
201:                                .createInputResetComponent(model, attrs, this );
202:
203:                    case FormAttributes.INPUT_TYPE_SUBMIT_INDEX:
204:                        return FormViewComponentFactory
205:                                .createInputSubmitComponent(model, attrs, this );
206:
207:                    case FormAttributes.INPUT_TYPE_CHECKBOX_INDEX:
208:                        return FormViewComponentFactory
209:                                .createInputCheckBoxComponent(model, attrs);
210:
211:                    case FormAttributes.INPUT_TYPE_RADIO_INDEX:
212:                        return FormViewComponentFactory
213:                                .createInputRadioComponent(model, attrs);
214:
215:                    case FormAttributes.INPUT_TYPE_FILE_INDEX:
216:                        return FormViewComponentFactory
217:                                .createInputFileComponent(model, attrs);
218:
219:                    case FormAttributes.INPUT_TYPE_PASSWORD_INDEX:
220:                        return FormViewComponentFactory
221:                                .createInputPasswordComponent(model, attrs,
222:                                        this );
223:
224:                    case FormAttributes.INPUT_TYPE_TEXT_INDEX:
225:                        return FormViewComponentFactory
226:                                .createInputTextComponent(model, attrs, this );
227:
228:                    case FormAttributes.TEXTAREA_TYPE_INDEX:
229:                        return FormViewComponentFactory
230:                                .createTextAreaComponent(model, attrs, this );
231:
232:                    case FormAttributes.SELECT_LIST_TYPE_INDEX:
233:                        return FormViewComponentFactory
234:                                .createSelectMultipleComponent(model, attrs);
235:
236:                    case FormAttributes.SELECT_COMBOBOX_TYPE_INDEX:
237:                        return FormViewComponentFactory
238:                                .createSelectSimpleComponent(model, attrs);
239:                        /*
240:                         * TODO Uncomment this, when BUTTON model would be implemented.
241:                         *
242:                         *  case FormAttributes.BUTTON_TYPE_INDEX:
243:                         *      return FormViewComponentFactory
244:                         *                 .createButtonComponent(model, attrs, this);
245:                         */
246:                    default:
247:                        // Do nothing
248:                        break;
249:                    }
250:                } catch (ClassCastException e) {
251:                    // Do nothing
252:                }
253:                return null;
254:
255:            }
256:
257:            protected void imageSubmit(final String imageData) {
258:                // TODO implement imageSubmit
259:                throw new UnsupportedOperationException(Messages
260:                        .getString("swing.27")); //$NON-NLS-1$
261:            }
262:
263:            protected void submitData(final String data) {
264:                // TODO implement submitData
265:                throw new UnsupportedOperationException(Messages
266:                        .getString("swing.27")); //$NON-NLS-1$
267:            }
268:
269:            private void determineValidControls(final Form form) {
270:                FormElement formElement;
271:
272:                for (int i = 0; i < form.getElementsCount(); i++) {
273:                    formElement = form.getElement(i);
274:
275:                    switch (formElement.getElementType()) {
276:                    case FormAttributes.INPUT_TYPE_BUTTON_INDEX:
277:                    case FormAttributes.INPUT_TYPE_IMAGE_INDEX:
278:                    case FormAttributes.INPUT_TYPE_RESET_INDEX:
279:                    case FormAttributes.INPUT_TYPE_SUBMIT_INDEX:
280:                    case FormAttributes.INPUT_TYPE_CHECKBOX_INDEX:
281:                    case FormAttributes.INPUT_TYPE_RADIO_INDEX:
282:                    case FormAttributes.INPUT_TYPE_FILE_INDEX:
283:                    case FormAttributes.INPUT_TYPE_PASSWORD_INDEX:
284:                    case FormAttributes.INPUT_TYPE_TEXT_INDEX:
285:                    case FormAttributes.TEXTAREA_TYPE_INDEX:
286:                    case FormAttributes.SELECT_LIST_TYPE_INDEX:
287:                    case FormAttributes.SELECT_COMBOBOX_TYPE_INDEX:
288:                        throw new UnsupportedOperationException(Messages
289:                                .getString("swing.27")); //$NON-NLS-1$
290:                    default:
291:                        // Do nothing
292:                        break;
293:                    }
294:                }
295:            }
296:
297:            private void resetForm(final Form form) {
298:                FormElement formElement;
299:                AttributeSet attrs;
300:
301:                for (int i = 0; i < form.getElementsCount(); i++) {
302:                    formElement = form.getElement(i);
303:
304:                    attrs = formElement.getAttributes();
305:                    switch (formElement.getElementType()) {
306:                    case FormAttributes.INPUT_TYPE_BUTTON_INDEX:
307:                    case FormAttributes.INPUT_TYPE_IMAGE_INDEX:
308:                    case FormAttributes.INPUT_TYPE_RESET_INDEX:
309:                    case FormAttributes.INPUT_TYPE_SUBMIT_INDEX:
310:                        //Do nothing
311:                        break;
312:                    case FormAttributes.INPUT_TYPE_CHECKBOX_INDEX:
313:                    case FormAttributes.INPUT_TYPE_RADIO_INDEX:
314:                        resetToogleButton((FormToggleButtonModel) formElement,
315:                                attrs);
316:                        break;
317:                    case FormAttributes.INPUT_TYPE_FILE_INDEX:
318:                        resetText((FormTextModel) formElement, attrs, false);
319:                        break;
320:                    case FormAttributes.INPUT_TYPE_PASSWORD_INDEX:
321:                    case FormAttributes.INPUT_TYPE_TEXT_INDEX:
322:                    case FormAttributes.TEXTAREA_TYPE_INDEX:
323:                        resetText((FormTextModel) formElement, attrs, true);
324:                        break;
325:                    case FormAttributes.SELECT_LIST_TYPE_INDEX:
326:                        FormViewUtils
327:                                .resetMultipleSelection((FormSelectListModel) formElement);
328:                        break;
329:                    case FormAttributes.SELECT_COMBOBOX_TYPE_INDEX:
330:                        FormViewUtils
331:                                .resetSimpleSelection((FormSelectComboBoxModel) formElement);
332:                        break;
333:                    default:
334:                        // Do nothing
335:                        break;
336:                    }
337:                }
338:            }
339:
340:            private void resetText(final FormTextModel document,
341:                    final AttributeSet attrs, final boolean loadDefaultText) {
342:                try {
343:                    document.remove(0, document.getLength());
344:
345:                    String initialContent = document.getInitialContent();
346:                    if (initialContent == null) {
347:                        initialContent = (String) attrs
348:                                .getAttribute(HTML.Attribute.VALUE);
349:                    }
350:
351:                    if (loadDefaultText
352:                            && !Utilities.isEmptyString(initialContent)) {
353:                        document.insertString(0, initialContent, null);
354:                    }
355:                } catch (BadLocationException e) {
356:                }
357:            }
358:
359:            private void resetToogleButton(
360:                    final JToggleButton.ToggleButtonModel model,
361:                    final AttributeSet attrs) {
362:                //CHECKED
363:                model
364:                        .setSelected(attrs.getAttribute(HTML.Attribute.CHECKED) != null);
365:            }
366:        }
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