| /* FormView.java -- A view for a variety of HTML form elements |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.text.html; |
| |
| import java.awt.Component; |
| import java.awt.Point; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.MouseAdapter; |
| import java.awt.event.MouseEvent; |
| import java.io.IOException; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.net.URLEncoder; |
| |
| import javax.swing.ButtonModel; |
| import javax.swing.ImageIcon; |
| import javax.swing.JButton; |
| import javax.swing.JCheckBox; |
| import javax.swing.JComboBox; |
| import javax.swing.JEditorPane; |
| import javax.swing.JList; |
| import javax.swing.JPasswordField; |
| import javax.swing.JRadioButton; |
| import javax.swing.JScrollPane; |
| import javax.swing.JTextArea; |
| import javax.swing.JTextField; |
| import javax.swing.ListSelectionModel; |
| import javax.swing.SwingUtilities; |
| import javax.swing.UIManager; |
| import javax.swing.event.HyperlinkEvent; |
| import javax.swing.text.AttributeSet; |
| import javax.swing.text.BadLocationException; |
| import javax.swing.text.ComponentView; |
| import javax.swing.text.Document; |
| import javax.swing.text.Element; |
| import javax.swing.text.ElementIterator; |
| import javax.swing.text.StyleConstants; |
| |
| /** |
| * A View that renders HTML form elements like buttons and input fields. |
| * This is implemented as a {@link ComponentView} that creates different Swing |
| * component depending on the type and setting of the different form elements. |
| * |
| * Namely, this view creates the following components: |
| * <table> |
| * <tr><th>Element type</th><th>Swing component</th></tr> |
| * <tr><td>input, button</td><td>JButton</td></tr> |
| * <tr><td>input, checkbox</td><td>JButton</td></tr> |
| * <tr><td>input, image</td><td>JButton</td></tr> |
| * <tr><td>input, password</td><td>JButton</td></tr> |
| * <tr><td>input, radio</td><td>JButton</td></tr> |
| * <tr><td>input, reset</td><td>JButton</td></tr> |
| * <tr><td>input, submit</td><td>JButton</td></tr> |
| * <tr><td>input, text</td><td>JButton</td></tr> |
| * <tr><td>select, size > 1 or with multiple attribute</td> |
| * <td>JList in JScrollPane</td></tr> |
| * <tr><td>select, size unspecified or == 1</td><td>JComboBox</td></tr> |
| * <tr><td>textarea, text</td><td>JTextArea in JScrollPane</td></tr> |
| * <tr><td>input, file</td><td>JTextField</td></tr> |
| * </table> |
| * |
| * @author Roman Kennke (kennke@aicas.com) |
| */ |
| public class FormView |
| extends ComponentView |
| implements ActionListener |
| { |
| |
| protected class MouseEventListener |
| extends MouseAdapter |
| { |
| /** |
| * Creates a new <code>MouseEventListener</code>. |
| */ |
| protected MouseEventListener() |
| { |
| // Nothing to do here. |
| } |
| |
| public void mouseReleased(MouseEvent ev) |
| { |
| String data = getImageData(ev.getPoint()); |
| imageSubmit(data); |
| } |
| } |
| |
| /** |
| * Actually submits the form data. |
| */ |
| private class SubmitThread |
| extends Thread |
| { |
| /** |
| * The submit data. |
| */ |
| private String data; |
| |
| /** |
| * Creates a new SubmitThread. |
| * |
| * @param d the submit data |
| */ |
| SubmitThread(String d) |
| { |
| data = d; |
| } |
| |
| /** |
| * Actually performs the submit. |
| */ |
| public void run() |
| { |
| if (data.length() > 0) |
| { |
| final String method = getMethod(); |
| final URL actionURL = getActionURL(); |
| final String target = getTarget(); |
| URLConnection conn; |
| final JEditorPane editor = (JEditorPane) getContainer(); |
| final HTMLDocument doc = (HTMLDocument) editor.getDocument(); |
| HTMLEditorKit kit = (HTMLEditorKit) editor.getEditorKit(); |
| if (kit.isAutoFormSubmission()) |
| { |
| try |
| { |
| final URL url; |
| if (method != null && method.equals("post")) |
| { |
| // Perform POST. |
| url = actionURL; |
| conn = url.openConnection(); |
| postData(conn, data); |
| } |
| else |
| { |
| // Default to GET. |
| url = new URL(actionURL + "?" + data); |
| } |
| Runnable loadDoc = new Runnable() |
| { |
| public void run() |
| { |
| if (doc.isFrameDocument()) |
| { |
| editor.fireHyperlinkUpdate(createSubmitEvent(method, |
| actionURL, |
| target)); |
| } |
| else |
| { |
| try |
| { |
| editor.setPage(url); |
| } |
| catch (IOException ex) |
| { |
| // Oh well. |
| ex.printStackTrace(); |
| } |
| } |
| } |
| }; |
| SwingUtilities.invokeLater(loadDoc); |
| } |
| catch (MalformedURLException ex) |
| { |
| ex.printStackTrace(); |
| } |
| catch (IOException ex) |
| { |
| ex.printStackTrace(); |
| } |
| } |
| else |
| { |
| editor.fireHyperlinkUpdate(createSubmitEvent(method,actionURL, |
| target)); |
| } |
| } |
| } |
| |
| /** |
| * Determines the submit method. |
| * |
| * @return the submit method |
| */ |
| private String getMethod() |
| { |
| AttributeSet formAtts = getFormAttributes(); |
| String method = null; |
| if (formAtts != null) |
| { |
| method = (String) formAtts.getAttribute(HTML.Attribute.METHOD); |
| } |
| return method; |
| } |
| |
| /** |
| * Determines the action URL. |
| * |
| * @return the action URL |
| */ |
| private URL getActionURL() |
| { |
| AttributeSet formAtts = getFormAttributes(); |
| HTMLDocument doc = (HTMLDocument) getElement().getDocument(); |
| URL url = doc.getBase(); |
| if (formAtts != null) |
| { |
| String action = |
| (String) formAtts.getAttribute(HTML.Attribute.ACTION); |
| if (action != null) |
| { |
| try |
| { |
| url = new URL(url, action); |
| } |
| catch (MalformedURLException ex) |
| { |
| url = null; |
| } |
| } |
| } |
| return url; |
| } |
| |
| /** |
| * Fetches the target attribute. |
| * |
| * @return the target attribute or _self if none is present |
| */ |
| private String getTarget() |
| { |
| AttributeSet formAtts = getFormAttributes(); |
| String target = null; |
| if (formAtts != null) |
| { |
| target = (String) formAtts.getAttribute(HTML.Attribute.TARGET); |
| if (target != null) |
| target = target.toLowerCase(); |
| } |
| if (target == null) |
| target = "_self"; |
| return target; |
| } |
| |
| /** |
| * Posts the form data over the specified connection. |
| * |
| * @param conn the connection |
| */ |
| private void postData(URLConnection conn, String data) |
| { |
| conn.setDoOutput(true); |
| PrintWriter out = null; |
| try |
| { |
| out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream())); |
| out.print(data); |
| out.flush(); |
| } |
| catch (IOException ex) |
| { |
| // Deal with this! |
| ex.printStackTrace(); |
| } |
| finally |
| { |
| if (out != null) |
| out.close(); |
| } |
| } |
| |
| /** |
| * Determines the attributes from the relevant form tag. |
| * |
| * @return the attributes from the relevant form tag, <code>null</code> |
| * when there is no form tag |
| */ |
| private AttributeSet getFormAttributes() |
| { |
| AttributeSet atts = null; |
| Element form = getFormElement(); |
| if (form != null) |
| atts = form.getAttributes(); |
| return atts; |
| } |
| |
| /** |
| * Creates the submit event that should be fired. |
| * |
| * This is package private to avoid accessor methods. |
| * |
| * @param method the submit method |
| * @param actionURL the action URL |
| * @param target the target |
| * |
| * @return the submit event |
| */ |
| FormSubmitEvent createSubmitEvent(String method, URL actionURL, |
| String target) |
| { |
| FormSubmitEvent.MethodType m = "post".equals(method) |
| ? FormSubmitEvent.MethodType.POST |
| : FormSubmitEvent.MethodType.GET; |
| return new FormSubmitEvent(FormView.this, |
| HyperlinkEvent.EventType.ACTIVATED, |
| actionURL, getElement(), target, m, data); |
| } |
| } |
| |
| /** |
| * If the value attribute of an <code><input type="submit">> |
| * tag is not specified, then this string is used. |
| * |
| * @deprecated As of JDK1.3 the value is fetched from the UIManager property |
| * <code>FormView.submitButtonText</code>. |
| */ |
| public static final String SUBMIT = |
| UIManager.getString("FormView.submitButtonText"); |
| |
| /** |
| * If the value attribute of an <code><input type="reset">> |
| * tag is not specified, then this string is used. |
| * |
| * @deprecated As of JDK1.3 the value is fetched from the UIManager property |
| * <code>FormView.resetButtonText</code>. |
| */ |
| public static final String RESET = |
| UIManager.getString("FormView.resetButtonText"); |
| |
| /** |
| * If this is true, the maximum size is set to the preferred size. |
| */ |
| private boolean maxIsPreferred; |
| |
| /** |
| * Creates a new <code>FormView</code>. |
| * |
| * @param el the element that is displayed by this view. |
| */ |
| public FormView(Element el) |
| { |
| super(el); |
| } |
| |
| /** |
| * Creates the correct AWT component for rendering the form element. |
| */ |
| protected Component createComponent() |
| { |
| Component comp = null; |
| Element el = getElement(); |
| AttributeSet atts = el.getAttributes(); |
| Object tag = atts.getAttribute(StyleConstants.NameAttribute); |
| Object model = atts.getAttribute(StyleConstants.ModelAttribute); |
| if (tag.equals(HTML.Tag.INPUT)) |
| { |
| String type = (String) atts.getAttribute(HTML.Attribute.TYPE); |
| if (type.equals("button")) |
| { |
| String value = (String) atts.getAttribute(HTML.Attribute.VALUE); |
| JButton b = new JButton(value); |
| if (model != null) |
| { |
| b.setModel((ButtonModel) model); |
| b.addActionListener(this); |
| } |
| comp = b; |
| maxIsPreferred = true; |
| } |
| else if (type.equals("checkbox")) |
| { |
| if (model instanceof ResetableToggleButtonModel) |
| { |
| ResetableToggleButtonModel m = |
| (ResetableToggleButtonModel) model; |
| JCheckBox c = new JCheckBox(); |
| c.setModel(m); |
| comp = c; |
| maxIsPreferred = true; |
| } |
| } |
| else if (type.equals("image")) |
| { |
| String src = (String) atts.getAttribute(HTML.Attribute.SRC); |
| JButton b; |
| try |
| { |
| URL base = ((HTMLDocument) el.getDocument()).getBase(); |
| URL srcURL = new URL(base, src); |
| ImageIcon icon = new ImageIcon(srcURL); |
| b = new JButton(icon); |
| } |
| catch (MalformedURLException ex) |
| { |
| b = new JButton(src); |
| } |
| if (model != null) |
| { |
| b.setModel((ButtonModel) model); |
| b.addActionListener(this); |
| } |
| comp = b; |
| maxIsPreferred = true; |
| } |
| else if (type.equals("password")) |
| { |
| int size = HTML.getIntegerAttributeValue(atts, HTML.Attribute.SIZE, |
| -1); |
| JTextField tf = new JPasswordField(); |
| if (size > 0) |
| tf.setColumns(size); |
| else |
| tf.setColumns(20); |
| if (model != null) |
| tf.setDocument((Document) model); |
| tf.addActionListener(this); |
| comp = tf; |
| maxIsPreferred = true; |
| } |
| else if (type.equals("radio")) |
| { |
| if (model instanceof ResetableToggleButtonModel) |
| { |
| ResetableToggleButtonModel m = |
| (ResetableToggleButtonModel) model; |
| JRadioButton c = new JRadioButton(); |
| c.setModel(m); |
| comp = c; |
| maxIsPreferred = true; |
| } |
| } |
| else if (type.equals("reset")) |
| { |
| String value = (String) atts.getAttribute(HTML.Attribute.VALUE); |
| if (value == null) |
| value = UIManager.getString("FormView.resetButtonText"); |
| JButton b = new JButton(value); |
| if (model != null) |
| { |
| b.setModel((ButtonModel) model); |
| b.addActionListener(this); |
| } |
| comp = b; |
| maxIsPreferred = true; |
| } |
| else if (type.equals("submit")) |
| { |
| String value = (String) atts.getAttribute(HTML.Attribute.VALUE); |
| if (value == null) |
| value = UIManager.getString("FormView.submitButtonText"); |
| JButton b = new JButton(value); |
| if (model != null) |
| { |
| b.setModel((ButtonModel) model); |
| b.addActionListener(this); |
| } |
| comp = b; |
| maxIsPreferred = true; |
| } |
| else if (type.equals("text")) |
| { |
| int size = HTML.getIntegerAttributeValue(atts, HTML.Attribute.SIZE, |
| -1); |
| JTextField tf = new JTextField(); |
| if (size > 0) |
| tf.setColumns(size); |
| else |
| tf.setColumns(20); |
| if (model != null) |
| tf.setDocument((Document) model); |
| tf.addActionListener(this); |
| comp = tf; |
| maxIsPreferred = true; |
| } |
| } |
| else if (tag == HTML.Tag.TEXTAREA) |
| { |
| JTextArea textArea = new JTextArea((Document) model); |
| int rows = HTML.getIntegerAttributeValue(atts, HTML.Attribute.ROWS, 1); |
| textArea.setRows(rows); |
| int cols = HTML.getIntegerAttributeValue(atts, HTML.Attribute.COLS, 20); |
| textArea.setColumns(cols); |
| maxIsPreferred = true; |
| comp = new JScrollPane(textArea, |
| JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, |
| JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); |
| } |
| else if (tag == HTML.Tag.SELECT) |
| { |
| if (model instanceof SelectListModel) |
| { |
| SelectListModel slModel = (SelectListModel) model; |
| JList list = new JList(slModel); |
| int size = HTML.getIntegerAttributeValue(atts, HTML.Attribute.SIZE, |
| 1); |
| list.setVisibleRowCount(size); |
| list.setSelectionModel(slModel.getSelectionModel()); |
| comp = new JScrollPane(list); |
| } |
| else if (model instanceof SelectComboBoxModel) |
| { |
| SelectComboBoxModel scbModel = (SelectComboBoxModel) model; |
| comp = new JComboBox(scbModel); |
| } |
| maxIsPreferred = true; |
| } |
| return comp; |
| } |
| |
| /** |
| * Determines the maximum span for this view on the specified axis. |
| * |
| * @param axis the axis along which to determine the span |
| * |
| * @return the maximum span for this view on the specified axis |
| * |
| * @throws IllegalArgumentException if the axis is invalid |
| */ |
| public float getMaximumSpan(int axis) |
| { |
| float span; |
| if (maxIsPreferred) |
| span = getPreferredSpan(axis); |
| else |
| span = super.getMaximumSpan(axis); |
| return span; |
| } |
| |
| /** |
| * Processes an action from the Swing component. |
| * |
| * If the action comes from a submit button, the form is submitted by calling |
| * {@link #submitData}. In the case of a reset button, the form is reset to |
| * the original state. If the action comes from a password or text field, |
| * then the input focus is transferred to the next input element in the form, |
| * unless this text/password field is the last one, in which case the form |
| * is submitted. |
| * |
| * @param ev the action event |
| */ |
| public void actionPerformed(ActionEvent ev) |
| { |
| Element el = getElement(); |
| Object tag = el.getAttributes().getAttribute(StyleConstants.NameAttribute); |
| if (tag.equals(HTML.Tag.INPUT)) |
| { |
| AttributeSet atts = el.getAttributes(); |
| String type = (String) atts.getAttribute(HTML.Attribute.TYPE); |
| if (type.equals("submit")) |
| submitData(getFormData()); |
| else if (type.equals("reset")) |
| resetForm(); |
| } |
| // FIXME: Implement the remaining actions. |
| } |
| |
| /** |
| * Submits the form data. A separate thread is created to do the |
| * transmission. |
| * |
| * @param data the form data |
| */ |
| protected void submitData(String data) |
| { |
| SubmitThread submitThread = new SubmitThread(data); |
| submitThread.start(); |
| } |
| |
| /** |
| * Submits the form data in response to a click on a |
| * <code><input type="image"></code> element. |
| * |
| * @param imageData the mouse click coordinates |
| */ |
| protected void imageSubmit(String imageData) |
| { |
| // FIXME: Implement this. |
| } |
| |
| /** |
| * Determines the image data that should be submitted in response to a |
| * mouse click on a image. This is either 'x=<p.x>&y=<p.y>' if the name |
| * attribute of the element is null or '' or |
| * <name>.x=<p.x>&<name>.y=<p.y>' when the name attribute is not empty. |
| * |
| * @param p the coordinates of the mouseclick |
| */ |
| String getImageData(Point p) |
| { |
| String name = (String) getElement().getAttributes() |
| .getAttribute(HTML.Attribute.NAME); |
| String data; |
| if (name == null || name.equals("")) |
| { |
| data = "x=" + p.x + "&y=" + p.y; |
| } |
| else |
| { |
| data = name + ".x=" + p.x + "&" + name + ".y=" + p.y; |
| } |
| return data; |
| } |
| |
| /** |
| * Determines and returns the enclosing form element if there is any. |
| * |
| * This is package private to avoid accessor methods. |
| * |
| * @return the enclosing form element, or <code>null</code> if there is no |
| * enclosing form element |
| */ |
| Element getFormElement() |
| { |
| Element form = null; |
| Element el = getElement(); |
| while (el != null && form == null) |
| { |
| AttributeSet atts = el.getAttributes(); |
| if (atts.getAttribute(StyleConstants.NameAttribute) == HTML.Tag.FORM) |
| form = el; |
| else |
| el = el.getParentElement(); |
| } |
| return form; |
| } |
| |
| /** |
| * Determines the form data that is about to be submitted. |
| * |
| * @return the form data |
| */ |
| private String getFormData() |
| { |
| Element form = getFormElement(); |
| StringBuilder b = new StringBuilder(); |
| if (form != null) |
| { |
| ElementIterator i = new ElementIterator(form); |
| Element next; |
| while ((next = i.next()) != null) |
| { |
| if (next.isLeaf()) |
| { |
| AttributeSet atts = next.getAttributes(); |
| String type = (String) atts.getAttribute(HTML.Attribute.TYPE); |
| if (type != null && type.equals("submit") |
| && next != getElement()) |
| { |
| // Skip this. This is not the actual submit trigger. |
| } |
| else if (type == null || ! type.equals("image")) |
| { |
| getElementFormData(next, b); |
| } |
| } |
| } |
| } |
| return b.toString(); |
| } |
| |
| /** |
| * Fetches the form data from the specified element and appends it to |
| * the data string. |
| * |
| * @param el the element from which to fetch form data |
| * @param b the data string |
| */ |
| private void getElementFormData(Element el, StringBuilder b) |
| { |
| AttributeSet atts = el.getAttributes(); |
| String name = (String) atts.getAttribute(HTML.Attribute.NAME); |
| if (name != null) |
| { |
| String value = null; |
| HTML.Tag tag = (HTML.Tag) atts.getAttribute(StyleConstants.NameAttribute); |
| if (tag == HTML.Tag.SELECT) |
| { |
| getSelectData(atts, b); |
| } |
| else |
| { |
| if (tag == HTML.Tag.INPUT) |
| value = getInputFormData(atts); |
| else if (tag == HTML.Tag.TEXTAREA) |
| value = getTextAreaData(atts); |
| if (name != null && value != null) |
| { |
| addData(b, name, value); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Fetches form data from select boxes. |
| * |
| * @param atts the attributes of the element |
| * |
| * @param b the form data string to append to |
| */ |
| private void getSelectData(AttributeSet atts, StringBuilder b) |
| { |
| String name = (String) atts.getAttribute(HTML.Attribute.NAME); |
| if (name != null) |
| { |
| Object m = atts.getAttribute(StyleConstants.ModelAttribute); |
| if (m instanceof SelectListModel) |
| { |
| SelectListModel sl = (SelectListModel) m; |
| ListSelectionModel lsm = sl.getSelectionModel(); |
| for (int i = 0; i < sl.getSize(); i++) |
| { |
| if (lsm.isSelectedIndex(i)) |
| { |
| Option o = (Option) sl.getElementAt(i); |
| addData(b, name, o.getValue()); |
| } |
| } |
| } |
| else if (m instanceof SelectComboBoxModel) |
| { |
| SelectComboBoxModel scb = (SelectComboBoxModel) m; |
| Option o = (Option) scb.getSelectedItem(); |
| if (o != null) |
| addData(b, name, o.getValue()); |
| } |
| } |
| } |
| |
| /** |
| * Fetches form data from a textarea. |
| * |
| * @param atts the attributes |
| * |
| * @return the form data |
| */ |
| private String getTextAreaData(AttributeSet atts) |
| { |
| Document doc = (Document) atts.getAttribute(StyleConstants.ModelAttribute); |
| String data; |
| try |
| { |
| data = doc.getText(0, doc.getLength()); |
| } |
| catch (BadLocationException ex) |
| { |
| data = null; |
| } |
| return data; |
| } |
| |
| /** |
| * Fetches form data from an input tag. |
| * |
| * @param atts the attributes from which to fetch the data |
| * |
| * @return the field value |
| */ |
| private String getInputFormData(AttributeSet atts) |
| { |
| String type = (String) atts.getAttribute(HTML.Attribute.TYPE); |
| Object model = atts.getAttribute(StyleConstants.ModelAttribute); |
| String value = null; |
| if (type.equals("text") || type.equals("password")) |
| { |
| Document doc = (Document) model; |
| try |
| { |
| value = doc.getText(0, doc.getLength()); |
| } |
| catch (BadLocationException ex) |
| { |
| // Sigh. |
| assert false; |
| } |
| } |
| else if (type.equals("hidden") || type.equals("submit")) |
| { |
| value = (String) atts.getAttribute(HTML.Attribute.VALUE); |
| if (value == null) |
| value = ""; |
| } |
| // TODO: Implement the others. radio, checkbox and file. |
| return value; |
| } |
| |
| /** |
| * Actually adds the specified data to the string. It URL encodes |
| * the name and value and handles separation of the fields. |
| * |
| * @param b the string at which the form data to be added |
| * @param name the name of the field |
| * @param value the value |
| */ |
| private void addData(StringBuilder b, String name, String value) |
| { |
| if (b.length() > 0) |
| b.append('&'); |
| String encName = URLEncoder.encode(name); |
| b.append(encName); |
| b.append('='); |
| String encValue = URLEncoder.encode(value); |
| b.append(encValue); |
| } |
| |
| /** |
| * Resets the form data to their initial state. |
| */ |
| private void resetForm() |
| { |
| Element form = getFormElement(); |
| if (form != null) |
| { |
| ElementIterator iter = new ElementIterator(form); |
| Element next; |
| while ((next = iter.next()) != null) |
| { |
| if (next.isLeaf()) |
| { |
| AttributeSet atts = next.getAttributes(); |
| Object m = atts.getAttribute(StyleConstants.ModelAttribute); |
| if (m instanceof ResetableModel) |
| ((ResetableModel) m).reset(); |
| } |
| } |
| } |
| } |
| } |