// ============================================================================
//
// Copyright (C) 2006-2012 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.designer.core.ui.editor.properties.controllers;
import java.beans.PropertyChangeEvent;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import org.eclipse.gef.commands.Command;
import org.eclipse.jface.fieldassist.DecoratedField;
import org.eclipse.jface.fieldassist.FieldDecoration;
import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
import org.eclipse.jface.fieldassist.IControlCreator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.talend.core.model.process.EParameterFieldType;
import org.talend.core.model.process.IElementParameter;
import org.talend.core.properties.tab.IDynamicProperty;
import org.talend.designer.core.i18n.Messages;
import org.talend.designer.core.ui.editor.cmd.PropertyChangeCommand;
import org.talend.designer.core.ui.editor.nodes.Node;
/**
* DOC zli class global comment. Detailled comment
*/
public class OpenedListController extends AbstractElementPropertySectionController {
/**
* DOC zli OpenedListController constructor comment.
*
* @param dp
*/
public OpenedListController(IDynamicProperty dp) {
super(dp);
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties2.editors.AbstractElementPropertySectionController#createCommand()
*/
public Command createComboCommand(SelectionEvent event) {
Set<String> elementsName;
Control ctrl;
elementsName = hashCurControls.keySet();
for (String name : elementsName) {
Object o = hashCurControls.get(name);
if (o instanceof Control) {
ctrl = (Control) o;
if (ctrl == null) {
hashCurControls.remove(name);
return null;
}
CCombo combo = (CCombo) event.getSource();
Object data = ctrl.getData(PARAMETER_NAME);
if (!(ctrl instanceof CCombo)) {
continue;
}
boolean isDisposed = ((CCombo) ctrl).isDisposed() || combo.isDisposed();
if (isDisposed) {
continue;
}
String text = ((CCombo) ctrl).getText();
if (data != null && data.equals(combo.getData(PARAMETER_NAME))) {
if (!text.equals(elem.getPropertyValue(name))) {
String value = new String(""); //$NON-NLS-1$
for (int i = 0; i < elem.getElementParameters().size(); i++) {
IElementParameter param = elem.getElementParameters().get(i);
if (param.getName().equals(name)) {
for (int j = 0; j < param.getListItemsValue().length; j++) {
if (j < param.getListItemsDisplayName().length
&& text.equals(param.getListItemsDisplayName()[j])) {
value = (String) param.getListItemsValue()[j];
break;
}
}
}
}
if (value.equals(elem.getPropertyValue(name))) { // same value so no need to do anything
return null;
}
return new PropertyChangeCommand(elem, name, value);
}
}
}
}
return null;
}
IControlCreator cbCtrl = new IControlCreator() {
public Control createControl(final Composite parent, final int style) {
CCombo cb = new CCombo(parent, style);
return cb;
}
};
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties2.editors.AbstractElementPropertySectionController#createControl()
*/
@Override
public Control createControl(final Composite subComposite, final IElementParameter param, final int numInRow,
final int nbInRow, final int top, final Control lastControl) {
DecoratedField dField = new DecoratedField(subComposite, SWT.BORDER, cbCtrl);
if (param.isRequired()) {
FieldDecoration decoration = FieldDecorationRegistry.getDefault().getFieldDecoration(
FieldDecorationRegistry.DEC_REQUIRED);
dField.addFieldDecoration(decoration, SWT.RIGHT | SWT.TOP, false);
}
if (param.isRepositoryValueUsed()) {
FieldDecoration decoration = FieldDecorationRegistry.getDefault().getFieldDecoration(
FieldDecorationRegistry.DEC_CONTENT_PROPOSAL);
decoration.setDescription(Messages.getString("ComboController.valueFromRepository")); //$NON-NLS-1$
dField.addFieldDecoration(decoration, SWT.RIGHT | SWT.BOTTOM, false);
}
Control cLayout = dField.getLayoutControl();
CCombo combo = (CCombo) dField.getControl();
FormData data;
combo.setItems(getListToDisplay(param));
combo.setEditable(!param.isReadOnly() && !param.isRepositoryValueUsed());
combo.setEnabled(!param.isReadOnly() && !param.isRepositoryValueUsed());
cLayout.setBackground(subComposite.getBackground());
combo.addSelectionListener(listenerSelection);
combo.addModifyListener(modifySelection);
combo.setData(PARAMETER_NAME, param.getName());
if (elem instanceof Node) {
combo.setToolTipText(VARIABLE_TOOLTIP + param.getVariableName());
}
CLabel labelLabel = getWidgetFactory().createCLabel(subComposite, param.getDisplayName());
data = new FormData();
if (lastControl != null) {
data.left = new FormAttachment(lastControl, 0);
} else {
data.left = new FormAttachment((((numInRow - 1) * MAX_PERCENT) / nbInRow), 0);
}
data.top = new FormAttachment(0, top);
labelLabel.setLayoutData(data);
if (numInRow != 1) {
labelLabel.setAlignment(SWT.RIGHT);
}
// *********************
data = new FormData();
int currentLabelWidth = STANDARD_LABEL_WIDTH;
GC gc = new GC(labelLabel);
Point labelSize = gc.stringExtent(param.getDisplayName());
gc.dispose();
if ((labelSize.x + ITabbedPropertyConstants.HSPACE) > currentLabelWidth) {
currentLabelWidth = labelSize.x + ITabbedPropertyConstants.HSPACE;
}
if (numInRow == 1) {
if (lastControl != null) {
data.left = new FormAttachment(lastControl, currentLabelWidth);
} else {
data.left = new FormAttachment(0, currentLabelWidth);
}
} else {
data.left = new FormAttachment(labelLabel, 0, SWT.RIGHT);
}
data.top = new FormAttachment(0, top);
cLayout.setLayoutData(data);
// **********************
hashCurControls.put(param.getName(), combo);
Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
dynamicProperty.setCurRowSize(initialSize.y + ITabbedPropertyConstants.VSPACE);
return cLayout;
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#estimateRowSize
* (org.eclipse.swt.widgets.Composite, org.talend.core.model.process.IElementParameter)
*/
@Override
public int estimateRowSize(Composite subComposite, IElementParameter param) {
DecoratedField dField = new DecoratedField(subComposite, SWT.BORDER, cbCtrl);
Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
dField.getLayoutControl().dispose();
return initialSize.y + ITabbedPropertyConstants.VSPACE;
}
/*
* (non-Javadoc)
*
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent evt) {
// TODO Auto-generated method stub
}
SelectionListener listenerSelection = new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
Command cmd = createCommand(event);
executeCommand(cmd);
}
};
ModifyListener modifySelection = new ModifyListener() {
public void modifyText(ModifyEvent e) {
Command cmd = modifyCommand(e);
executeCommand(cmd);
}
};
/**
* This method is used for getting command base on component type.
*
* @param e
* @return
*/
private Command createCommand(SelectionEvent event) {
Command cmd = null;
if (event.getSource() instanceof CCombo) {
cmd = createComboCommand(event);
}
return cmd;
}
/**
* DOC zli Comment method "modifyCommand".
*
* @param event
* @return
*/
private Command modifyCommand(ModifyEvent event) {
Set<String> elementsName;
Control ctrl;
elementsName = hashCurControls.keySet();
for (String name : elementsName) {
Object o = hashCurControls.get(name);
if (o instanceof Control) {
ctrl = (Control) o;
if (ctrl == null) {
hashCurControls.remove(name);
return null;
}
CCombo combo = (CCombo) event.getSource();
Object data = ctrl.getData(PARAMETER_NAME);
if (!(ctrl instanceof CCombo)) {
continue;
}
boolean isDisposed = ((CCombo) ctrl).isDisposed() || combo.isDisposed();
if (isDisposed) {
continue;
}
String paramName = "";
if (data != null) {
paramName = data.toString();
}
String value = "";
if (data != null && data.equals(combo.getData(PARAMETER_NAME))) {
for (int i = 0; i < elem.getElementParameters().size(); i++) {
IElementParameter param = elem.getElementParameters().get(i);
if (param.getFieldType().equals(EParameterFieldType.OPENED_LIST) && paramName.equals(param.getName())) {
String text = ((CCombo) ctrl).getText();
String[] listItemsDisplayName = param.getListItemsDisplayName();
boolean valueSet = false;
Object[] listItemsValue = param.getListItemsValue();
for (int j = 0; j < listItemsValue.length; j++) {
if (j < listItemsDisplayName.length && text.equals(listItemsDisplayName[j])) {
value = (String) listItemsValue[j];
valueSet = true;
break;
}
}
if (!valueSet) {
value = text;
}
param.setValue(value);
}
}
return new PropertyChangeCommand(elem, paramName, value);
}
}
}
return null;
}
@Override
public void refresh(IElementParameter param, boolean check) {
String paramName = param.getName();
CCombo combo = (CCombo) hashCurControls.get(paramName);
if (combo == null || combo.isDisposed()) {
return;
}
Object value = param.getValue();
if (value instanceof String) {
String strValue = ""; //$NON-NLS-1$
boolean strValueSet = false;
int nbInList = 0, nbMax = param.getListItemsValue().length;
String name = (String) value;
while (strValue.equals(new String("")) && nbInList < nbMax) { //$NON-NLS-1$
if (name.equals(param.getListItemsValue()[nbInList])) {
strValue = (String) param.getListItemsDisplayName()[nbInList];
strValueSet = true;
}
nbInList++;
}
if (!strValueSet) {
strValue = name;
}
String[] paramItems = getListToDisplay(param);
String[] comboItems = combo.getItems();
if (!Arrays.equals(paramItems, comboItems)) {
combo.setItems(paramItems);
}
if (param.isRepositoryValueUsed()) {
combo.removeModifyListener(modifySelection);
combo.setText(strValue);
combo.addModifyListener(modifySelection);
} else {
combo.setText(strValue);
}
combo.setVisible(true);
}
if (param.isContextMode()) {
combo.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_YELLOW));
combo.setEnabled(false);
}
}
/**
* DOC zli Comment method "getListToDisplay".
*
* @param param
* @return
*/
private String[] getListToDisplay(IElementParameter param) {
Object value = param.getValue();
String[] originalList = param.getListItemsDisplayName();
List<String> stringToDisplay = new ArrayList<String>();
boolean addedValue = true;
Object[] listItemsValue = param.getListItemsValue();
for (int i = 0; i < listItemsValue.length; i++) {
if (listItemsValue[i].equals(value)) {
addedValue = false;
break;
}
}
if (addedValue) {
stringToDisplay.add(value.toString());
} else {
stringToDisplay.add(new String());
}
String[] itemsShowIf = param.getListItemsShowIf();
if (itemsShowIf != null) {
String[] itemsNotShowIf = param.getListItemsNotShowIf();
for (int i = 0; i < originalList.length; i++) {
if (param.isShow(itemsShowIf[i], itemsNotShowIf[i], elem.getElementParameters())) {
stringToDisplay.add(originalList[i]);
}
}
} else {
for (int i = 0; i < originalList.length; i++) {
stringToDisplay.add(originalList[i]);
}
}
return stringToDisplay.toArray(new String[0]);
}
}