diff options
Diffstat (limited to 'plugins/org.eclipse.wst.common.frameworks.ui/wtp_ui/org/eclipse/wst/common/frameworks/internal/datamodel/ui/DataModelSynchHelper.java')
| -rw-r--r-- | plugins/org.eclipse.wst.common.frameworks.ui/wtp_ui/org/eclipse/wst/common/frameworks/internal/datamodel/ui/DataModelSynchHelper.java | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/plugins/org.eclipse.wst.common.frameworks.ui/wtp_ui/org/eclipse/wst/common/frameworks/internal/datamodel/ui/DataModelSynchHelper.java b/plugins/org.eclipse.wst.common.frameworks.ui/wtp_ui/org/eclipse/wst/common/frameworks/internal/datamodel/ui/DataModelSynchHelper.java deleted file mode 100644 index 679d95c29..000000000 --- a/plugins/org.eclipse.wst.common.frameworks.ui/wtp_ui/org/eclipse/wst/common/frameworks/internal/datamodel/ui/DataModelSynchHelper.java +++ /dev/null @@ -1,564 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2003, 2005 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.common.frameworks.internal.datamodel.ui; - -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; -import java.util.Arrays; -import java.util.Collection; -import java.util.HashMap; -import java.util.Iterator; -import java.util.Map; - -import org.eclipse.jface.viewers.CheckStateChangedEvent; -import org.eclipse.jface.viewers.CheckboxTableViewer; -import org.eclipse.jface.viewers.CheckboxTreeViewer; -import org.eclipse.jface.viewers.ICheckStateListener; -import org.eclipse.jface.viewers.StructuredViewer; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.ModifyEvent; -import org.eclipse.swt.events.ModifyListener; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.SelectionListener; -import org.eclipse.swt.widgets.Button; -import org.eclipse.swt.widgets.Combo; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Label; -import org.eclipse.swt.widgets.List; -import org.eclipse.swt.widgets.Table; -import org.eclipse.swt.widgets.TableItem; -import org.eclipse.swt.widgets.Text; -import org.eclipse.swt.widgets.Tree; -import org.eclipse.swt.widgets.TreeItem; -import org.eclipse.swt.widgets.Widget; -import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent; -import org.eclipse.wst.common.frameworks.datamodel.DataModelPropertyDescriptor; -import org.eclipse.wst.common.frameworks.datamodel.IDataModel; -import org.eclipse.wst.common.frameworks.datamodel.IDataModelListener; -import org.eclipse.wst.common.frameworks.internal.ui.TimedModifyListener; - -/** - * This class is EXPERIMENTAL and is subject to substantial changes. - */ -public class DataModelSynchHelper implements IDataModelListener { - protected static final boolean isLinux = System.getProperty("os.name").equals("Linux"); //$NON-NLS-1$ //$NON-NLS-2$ - - protected IDataModel dataModel; - protected Map widgetToPropertyHash; - protected Map propertyToWidgetHash; - protected Map widgetToDepControls; - - protected String currentProperty; - protected Widget currentWidget; - protected Widget currentWidgetFromEvent; // TODO M4 see if this should be set with for - // listeners - protected boolean ignoreModifyEvent = false; - - private class ModifyTextListener implements ModifyListener { - public void modifyText(ModifyEvent e) { - if (ignoreModifyEvent) - return; - Text text = (Text) e.getSource(); - if (currentWidget == text) - return; - String propertyName = (String) widgetToPropertyHash.get(text); - setProperty(propertyName, text.getText()); - } - } - - private ModifyTextListener modifyTextListener; - private TimedModifyListener timedModifyListener; - - private class ComboListener implements SelectionListener, ModifyListener { - - public void modifyText(ModifyEvent e) { - if (ignoreModifyEvent) - return; - Combo combo = (Combo) e.getSource(); - if (currentWidget == combo) - return; - - try { - currentWidgetFromEvent = combo; - String propertyName = (String) widgetToPropertyHash.get(combo); - DataModelPropertyDescriptor[] descriptors = dataModel.getValidPropertyDescriptors(propertyName); - String description = combo.getText(); - // On a combo selection linux fires 2 events; - // the first clears the value which needs to be ignored when the type is not String - // the second sets the new value - if (isLinux && description.length() == 0 && descriptors.length != 0 && !(descriptors[0].getPropertyValue() instanceof String)) { - return; - } - for (int i = 0; i < descriptors.length; i++) { - if (description.equals(descriptors[i].getPropertyDescription())) { - setProperty(propertyName, descriptors[i].getPropertyValue()); - return; - } - } - setProperty(propertyName, combo.getText()); - } finally { - currentWidgetFromEvent = null; - } - } - - public void widgetSelected(SelectionEvent e) { - Combo combo = (Combo) e.getSource(); - if (currentWidget == combo) - return; - String propertyName = (String) widgetToPropertyHash.get(combo); - if (combo.getSelectionIndex() >= 0) { - DataModelPropertyDescriptor[] descriptors = dataModel.getValidPropertyDescriptors(propertyName); - String description = combo.getItem(combo.getSelectionIndex()); - for (int i = 0; i < descriptors.length; i++) { - if (description.equals(descriptors[i].getPropertyDescription())) { - setProperty(propertyName, descriptors[i].getPropertyValue()); - return; - } - } - setProperty(propertyName, combo.getItem(combo.getSelectionIndex())); - } - } - - public void widgetDefaultSelected(SelectionEvent e) { - } - } - - private ComboListener comboListener; - - private class CheckboxSelectionListener implements SelectionListener { - public void widgetSelected(SelectionEvent e) { - Button button = (Button) e.getSource(); - if (currentWidget == button) - return; - String propertyName = (String) widgetToPropertyHash.get(button); - setProperty(propertyName, new Boolean(button.getSelection())); - } - - public void widgetDefaultSelected(SelectionEvent e) { - } - } - - private CheckboxSelectionListener checkboxSelectionListener; - - public DataModelSynchHelper(IDataModel model) { - this.dataModel = model; - dataModel.addListener(this); - } - - private CheckBoxViewerListener checkBoxViewerStateListener; - - private class CheckBoxViewerListener implements ICheckStateListener { - public void checkStateChanged(CheckStateChangedEvent event) { - StructuredViewer viewer = (StructuredViewer) event.getSource(); - CheckboxTableViewer checkBoxTableViewer; - CheckboxTreeViewer checkBoxTreeViewer; - Object[] items = null; - if (viewer instanceof CheckboxTableViewer) { - checkBoxTableViewer = (CheckboxTableViewer) viewer; - items = checkBoxTableViewer.getCheckedElements(); - } else if (viewer instanceof CheckboxTreeViewer) { - checkBoxTreeViewer = (CheckboxTreeViewer) viewer; - items = checkBoxTreeViewer.getCheckedElements(); - } - String propertyName = (String) widgetToPropertyHash.get(viewer.getControl()); - setPropertyItems(propertyName, items); - } - } - - public void propertyChanged(DataModelEvent event) { - String propertyName = event.getPropertyName(); - int flag = event.getFlag(); - if (flag == DataModelEvent.ENABLE_CHG) - setEnablement(propertyName, event.isPropertyEnabled()); - else - synchUIWithModel(propertyName, flag); - } - - protected void setProperty(String propertyName, Object value) { - currentProperty = propertyName; - try { - dataModel.setProperty(propertyName, value); - } finally { - currentProperty = null; - } - } - - protected void setPropertyItems(String propertyName, Object[] items) { - currentProperty = propertyName; - try { - dataModel.setProperty(propertyName, items); - } finally { - currentProperty = null; - } - } - - /** - * Sets the UI to have the property value defined in the model - * - * @param propertyName - * @link IDataModelListener for the flag values. - */ - public void synchUIWithModel(final String propertyName, final int flag) { - if (null != propertyToWidgetHash && propertyToWidgetHash.containsKey(propertyName)) { - Display.getDefault().syncExec(new Runnable() { - public void run() { - try { - currentWidget = (Widget) propertyToWidgetHash.get(propertyName); - if (currentWidget != null && currentWidget != currentWidgetFromEvent) { - try { - if (currentWidget instanceof Text) - setWidgetValue(propertyName, flag, (Text) currentWidget); - else if (currentWidget instanceof Combo) { - setWidgetValue(propertyName, flag, (Combo) currentWidget); - } else if (currentWidget instanceof Button) - setWidgetValue(propertyName, flag, (Button) currentWidget); - else if (currentWidget instanceof Label) - setWidgetValue(propertyName, flag, (Label) currentWidget); - else if (currentWidget instanceof List) - setWidgetValue(propertyName, flag, (List) currentWidget); - else if (currentWidget instanceof Table) - setWidgetValue(propertyName, flag, (Table) currentWidget); - else if (currentWidget instanceof Tree) - setWidgetValue(propertyName, flag, (Tree) currentWidget); - } finally { - ignoreModifyEvent = false; - } - setEnablement((Control) currentWidget, dataModel.isPropertyEnabled(propertyName)); - } - } finally { - currentWidget = null; - } - } - }); - } - } - - /** - * @param control - * @param enabled - */ - protected void setEnablement(Control control, boolean enabled) { - if (control.isEnabled() != enabled) - control.setEnabled(enabled); - setDependentControlEnablement(control, enabled); - } - - private void setEnablement(final String propertyName, final boolean enabled) { - if (propertyToWidgetHash != null) { - Display.getDefault().syncExec(new Runnable() { - public void run() { - Control control = (Control) propertyToWidgetHash.get(propertyName); - if (control != null) { - setEnablement(control, enabled); - } - } - }); - } - } - - /** - * @param control - * @param enabled - */ - private void setDependentControlEnablement(Control control, boolean enabled) { - if (widgetToDepControls != null) { - Control[] dependents = (Control[]) widgetToDepControls.get(control); - if (dependents != null) { - Control dep = null; - for (int i = 0; i < dependents.length; i++) { - dep = dependents[i]; - if (dep.isEnabled() != enabled) - dep.setEnabled(enabled); - } - } - } - } - - protected void setWidgetValue(String propertyName, int flag, Button button) { - if ((button.getStyle() & SWT.CHECK) == SWT.CHECK || (button.getStyle() & SWT.RADIO) == SWT.RADIO) { - boolean checked = dataModel.getBooleanProperty(propertyName); - if (button.getSelection() != checked) { - button.setSelection(checked); - } - } - } - - protected void setWidgetValue(String propertyName, int flag, Combo combo) { - if (flag == DataModelEvent.VALID_VALUES_CHG || combo.getItemCount() == 0) { - // Display properties should only fire if the contents change. - DataModelPropertyDescriptor[] descriptors = dataModel.getValidPropertyDescriptors(propertyName); - String[] items = new String[descriptors.length]; - for (int i = 0; i < descriptors.length; i++) { - items[i] = descriptors[i].getPropertyDescription(); - } - combo.setItems(items); - } - String newText = dataModel.getPropertyDescriptor(propertyName).getPropertyDescription(); - int selIndex = combo.getSelectionIndex(); - if (selIndex < 0 || !newText.equals(combo.getItem(selIndex))) { - String[] items = combo.getItems(); - for (int i = 0; i < items.length; i++) { - if (items[i].equals(newText)) { - combo.select(i); - return; - } - } - } - combo.setText(newText); - } - - protected void setWidgetValue(String propertyName, int flag, Text text) { - String newText = dataModel.getStringProperty(propertyName); - if (!newText.equals(text.getText())) { - text.setText(newText); - } - } - - protected void setWidgetValue(String propertyName, int flag, Table table) { - Object[] elements = (Object[]) dataModel.getProperty(propertyName); - if (elements == null || elements.length == 0) { - setTableItemsChecked(table.getItems(), false); - return; - } - java.util.List elementList = Arrays.asList(elements); - TableItem[] tableItems = table.getItems(); - for (int i = 0; i < tableItems.length; i++) { - TableItem item = tableItems[i]; - if (elementList.contains(item.getData())) - item.setChecked(true); - else - item.setChecked(false); - } - } - - protected void setTableItemsChecked(TableItem[] tableItems, boolean b) { - for (int i = 0; i < tableItems.length; i++) - tableItems[i].setChecked(b); - } - - protected void setWidgetValue(String propertyName, int flag, Tree tree) { - Object[] elements = (Object[]) dataModel.getProperty(propertyName); - if (elements == null) - return; - java.util.List elementList = Arrays.asList(elements); - TreeItem[] treeItems = tree.getItems(); - if (elementList.size() == 0) { - setTreeItemsGrey(treeItems, false); - return; - } - if (treeItems.length > 0) - setTreeItemChecked(treeItems, elementList); - } - - public void setTreeItemsGrey(TreeItem[] treeItems, boolean b) { - for (int i = 0; i < treeItems.length; i++) { - TreeItem item = treeItems[i]; - item.setGrayed(b); - setTreeItemsGrey(treeItems[i].getItems(), b); - } - } - - protected void setTreeItemChecked(TreeItem[] treeItems, java.util.List items) { - for (int i = 0; i < treeItems.length; i++) { - if (items.contains(treeItems[i].getData())){ - treeItems[i].setChecked(true); - treeItems[i].setGrayed(false); - }else{ - treeItems[i].setGrayed(true); - } - TreeItem[] childernItems = treeItems[i].getItems(); - if (childernItems.length > 0) { - treeItems[i].setExpanded(true); - setTreeItemChecked(childernItems, items); - } - } - } - - protected void setWidgetValue(String propertyName, int flag, Label label) { - String newText = dataModel.getStringProperty(propertyName); - if (!newText.equals(label.getText())) { - label.setText(newText); - } - } - - protected void setWidgetValue(String propertyName, int flag, List list) { - Object newContents = dataModel.getProperty(propertyName); - if (newContents == null) { - list.setItems(new String[0]); - return; - } - if (newContents instanceof java.util.List) { - java.util.List modelContents = (java.util.List) newContents; - String[] items = new String[modelContents.size()]; - for (int i = 0; i < modelContents.size(); i++) { - items[i] = modelContents.get(i).toString(); - } - list.setItems(items); - } else if (newContents instanceof String[]) { - list.setItems((String[]) newContents); - } - } - - public void synchAllUIWithModel() { - if (null != propertyToWidgetHash) { - Collection keys = propertyToWidgetHash.keySet(); - if (!keys.isEmpty()) { - Iterator propertyNames = keys.iterator(); - String propertyName = null; - while (propertyNames.hasNext()) { - propertyName = (String) propertyNames.next(); - synchUIWithModel(propertyName, DataModelEvent.VALUE_CHG); - } - } - } - } - - protected void synchComposite(Widget widget, String propertyName, Control[] depControls) { - if (null == widgetToPropertyHash) - widgetToPropertyHash = new HashMap(); - if (propertyToWidgetHash == null) - propertyToWidgetHash = new HashMap(); - widgetToPropertyHash.put(widget, propertyName); - propertyToWidgetHash.put(propertyName, widget); - if (depControls != null) { - if (widgetToDepControls == null) - widgetToDepControls = new HashMap(); - widgetToDepControls.put(widget, depControls); - } - synchUIWithModel(propertyName, DataModelEvent.VALUE_CHG); - } - - public void synchText(Text text, String propertyName, Control[] dependentControls) { - synchText(text, propertyName, false, dependentControls); - } - - public void synchText(Text text, String propertyName, boolean isTimeModified, Control[] dependentControls) { - synchComposite(text, propertyName, dependentControls); - if (isTimeModified) - text.addModifyListener(getTimedListener()); - else - text.addModifyListener(getModifyTextListener()); - } - - public void synchLabel(Label label, String propertyName, Control[] dependentControls) { - synchComposite(label, propertyName, dependentControls); - } - - /** - * Use this to synch the contents of the <code>list</code> to the List elements returned from - * the <code>propertyName</code>. - */ - public void synchList(List list, String propertyName, Control[] dependentControls) { - synchComposite(list, propertyName, dependentControls); - } - - /** - * Use this to synch the value of the specified Combo with the specified propertyName. The - * possible values displayed to the user are determined by return of - * IDataModel.getValidPropertyDescriptors(String). - * - * @param combo - * @param propertyName - * @param dependentControls - */ - public void synchCombo(Combo combo, String propertyName, Control[] dependentControls) { - synchComposite(combo, propertyName, dependentControls); - if (null == comboListener) { - comboListener = new ComboListener(); - } - combo.addSelectionListener(comboListener); - combo.addModifyListener(comboListener); - } - - /** - * Use this to sync the state of the specified checkbox with the value of the specified - * propertyName. The specified propertyName must contain a java.lang.Boolean typed Object. - * - * @param checkbox - * @param propertyName - * @param dependentControls - */ - public void synchCheckbox(Button checkbox, String propertyName, Control[] dependentControls) { - synchComposite(checkbox, propertyName, dependentControls); - if (null == checkboxSelectionListener) { - checkboxSelectionListener = new CheckboxSelectionListener(); - } - checkbox.addSelectionListener(checkboxSelectionListener); - } - - public void synchCheckBoxTableViewer(CheckboxTableViewer tableViewer, String propertyName, Control[] dependentControls) { - synchComposite(tableViewer.getControl(), propertyName, dependentControls); - if (null == checkBoxViewerStateListener) { - checkBoxViewerStateListener = new CheckBoxViewerListener(); - } - tableViewer.addCheckStateListener(checkBoxViewerStateListener); - } - - public void synchCheckBoxTreeViewer(CheckboxTreeViewer treeViewer, String propertyName, Control[] dependentControls) { - treeViewer.expandAll(); - synchComposite(treeViewer.getControl(), propertyName, dependentControls); - if (null == checkBoxViewerStateListener) { - checkBoxViewerStateListener = new CheckBoxViewerListener(); - } - treeViewer.addCheckStateListener(checkBoxViewerStateListener); - } - - public void synchRadio(Button radio, String propertyName, Control[] dependentControls) { - // Uses checkbox syncher - synchCheckbox(radio, propertyName, dependentControls); - } - - private TimedModifyListener getTimedListener() { - if (timedModifyListener == null) - timedModifyListener = new TimedModifyListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - Widget w = (Widget) e.getSource(); - if (currentWidget == w || w.isDisposed()) - return; - String propertyName = (String) widgetToPropertyHash.get(w); - setTextProperty(propertyName, (Text) w); - } - }) { - public void modifyText(ModifyEvent e) { - if (ignoreModifyEvent) - return; - super.modifyText(e); - } - }; - return timedModifyListener; - } - - protected void setTextProperty(String propertyName, Text text) { - setProperty(propertyName, text.getText()); - } - - private ModifyTextListener getModifyTextListener() { - if (null == modifyTextListener) - modifyTextListener = new ModifyTextListener(); - return modifyTextListener; - } - - public IDataModel getDataModel() { - return dataModel; - } - - public void dispose() { - dataModel.removeListener(this); - checkboxSelectionListener = null; - currentWidget = null; - modifyTextListener = null; - propertyToWidgetHash = null; - timedModifyListener = null; - widgetToDepControls = null; - widgetToPropertyHash = null; - } -} |