// ============================================================================
//
// 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 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.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.TextViewer;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.util.LocalSelectionTransfer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTarget;
import org.eclipse.swt.dnd.DropTargetListener;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
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.layout.FormLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
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.commons.ui.swt.colorstyledtext.ColorStyledText;
import org.talend.core.CorePlugin;
import org.talend.core.GlobalServiceRegister;
import org.talend.core.model.process.EConnectionType;
import org.talend.core.model.process.IElementParameter;
import org.talend.core.model.process.INode;
import org.talend.core.properties.tab.IDynamicProperty;
import org.talend.core.service.ICorePerlService;
import org.talend.core.ui.viewer.ReconcilerStyledText;
import org.talend.core.ui.viewer.ReconcilerViewer;
import org.talend.core.ui.viewer.java.TalendJavaSourceViewer;
import org.talend.designer.core.i18n.Messages;
import org.talend.designer.core.ui.AbstractMultiPageTalendEditor;
import org.talend.designer.core.ui.editor.TalendJavaEditor;
import org.talend.designer.core.ui.editor.connections.Connection;
import org.talend.designer.core.ui.editor.nodes.Node;
import org.talend.designer.core.ui.editor.process.Process;
import org.talend.designer.core.ui.preferences.TalendDesignerPrefConstants;
import org.talend.designer.core.utils.ISampleCodeFactory;
import org.talend.designer.core.utils.JavaSampleCodeFactory;
/**
* DOC yzhang class global comment. Detailled comment <br/>
*
* $Id: SQLEditorController.java 1 2006-12-12 上午11:24:40 +0000 (上午11:24:40) yzhang $
*
*/
public abstract class AbstractLanguageMemoController extends AbstractElementPropertySectionController {
private static boolean estimateInitialized = false;
private static int rowSizeFixed = 0;
private static int rowSizeByLine = 0;
/**
* DOC dev LanguageMemoController constructor comment.
*
* @param parameterBean
*/
public AbstractLanguageMemoController(IDynamicProperty dp) {
super(dp);
setLanguage();
}
private String language;
private ISourceViewer viewer;
private Button codeGenereateButton;
/*
* (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) {
this.curParameter = param;
this.paramFieldType = param.getFieldType();
int nbLines = param.getNbLines();
final String paramName = param.getName();
IControlCreator txtCtrl = new IControlCreator() {
public Control createControl(final Composite parent, final int style) {
final StyledText control = new ColorStyledText(parent, style, CorePlugin.getDefault().getPreferenceStore(),
language);
Display display = Display.getCurrent();
if (display == null) {
display = Display.getDefault();
}
if (display != null) {
display.syncExec(new Runnable() {
public void run() {
IPreferenceStore preferenceStore = CorePlugin.getDefault().getPreferenceStore();
String fontType = preferenceStore.getString(TalendDesignerPrefConstants.MEMO_TEXT_FONT);
FontData fontData = new FontData(fontType);
Font font = new Font(parent.getDisplay(), fontData);
addResourceDisposeListener(control, font);
control.setFont(font);
}
});
}
return control;
}
};
DecoratedField dField = null;
Control cLayout;
StyledText text;
FormData data;
viewer = null;
if (param.getNbLines() != 1) {
if (language.equals("java")) { //$NON-NLS-1$
String context = param.getContext();
if (!param.isNoCheck() && context != null
&& (context.equals("begin") || context.equals("main") || context.equals("end"))) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
Composite a = new Composite(subComposite, SWT.NO_FOCUS);
a.setLayout(new FormLayout());
Composite b = new Composite(a, SWT.NO_FOCUS);
b.setLayout(new GridLayout());
data = new FormData();
data.left = new FormAttachment(0, 0);
data.top = new FormAttachment(0, 0);
data.right = new FormAttachment(100, 0);
data.bottom = new FormAttachment(100, 0);
b.setLayoutData(data);
Process process = null;
if (elem instanceof Node) {
process = (Process) ((Node) elem).getProcess();
} else if (elem instanceof Connection) {
process = (Process) ((Connection) elem).getSource().getProcess();
}
TalendJavaEditor javaEditor = (TalendJavaEditor) ((AbstractMultiPageTalendEditor) process.getEditor())
.getCodeEditor();
viewer = (TalendJavaSourceViewer) TalendJavaSourceViewer.createViewerForComponent(b, SWT.BORDER | SWT.MULTI
| SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP, javaEditor, null, elem.getElementName(), context);
text = viewer.getTextWidget();
text.setData(PARAMETER_NAME, param.getName());
editionControlHelper.register(param.getName(), text);
cLayout = a;
} else {
Composite a = new Composite(subComposite, SWT.NO_FOCUS);
a.setLayout(new FormLayout());
Composite b = new Composite(a, SWT.NO_FOCUS);
b.setLayout(new GridLayout());
data = new FormData();
data.left = new FormAttachment(0, 0);
data.top = new FormAttachment(0, 0);
data.right = new FormAttachment(100, 0);
data.bottom = new FormAttachment(100, 0);
b.setLayoutData(data);
if (isNeedToAddCodeGenerateButton()) {
addCodeGenerateButton(b);
}
Process process = null;
if (elem instanceof Node) {
process = (Process) ((Node) elem).getProcess();
} else if (elem instanceof Connection) {
Connection connection = (Connection) elem;
process = (Process) connection.getSource().getProcess();
// see bug 0001645
if (connection.getLineStyle().equals(EConnectionType.RUN_IF)
|| connection.getLineStyle().equals(EConnectionType.ROUTE_WHEN) || connection.getLineStyle().equals(EConnectionType.ROUTE_CATCH)) {
viewer = (TalendJavaSourceViewer) TalendJavaSourceViewer.createViewerForIfConnection(b);
}
}
if (viewer == null) {
viewer = (TalendJavaSourceViewer) TalendJavaSourceViewer.createViewer(b, SWT.BORDER | SWT.MULTI
| SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP, false);
}
text = viewer.getTextWidget();
text.setData(PARAMETER_NAME, param.getName());
editionControlHelper.register(param.getName(), text);
cLayout = a;
}
} else {
Composite a = new Composite(subComposite, SWT.NO_FOCUS);
a.setLayout(new FormLayout());
Composite b = new Composite(a, SWT.NO_FOCUS);
b.setLayout(new GridLayout());
data = new FormData();
data.left = new FormAttachment(0, 0);
data.top = new FormAttachment(0, 0);
data.right = new FormAttachment(100, 0);
data.bottom = new FormAttachment(100, 0);
b.setLayoutData(data);
if (isNeedToAddCodeGenerateButton()) {
addCodeGenerateButton(b);
}
if (GlobalServiceRegister.getDefault().isServiceRegistered(ICorePerlService.class)) {
ICorePerlService service = (ICorePerlService) GlobalServiceRegister.getDefault().getService(
ICorePerlService.class);
if (elem instanceof INode) {
viewer = service.createViewer(b, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP, true,
(INode) elem);
} else {
viewer = service.createViewer(b, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP, true);
}
}
text = viewer.getTextWidget();
Process process = null;
if (elem instanceof Node) {
process = (Process) ((Node) elem).getProcess();
} else if (elem instanceof Connection) {
process = (Process) ((Connection) elem).getSource().getProcess();
}
text.setData(PARAMETER_NAME, param.getName());
editionControlHelper.register(param.getName(), text);
cLayout = a;
}
} else {
dField = new DecoratedField(subComposite, SWT.BORDER | SWT.WRAP, txtCtrl);
cLayout = dField.getLayoutControl();
text = (StyledText) dField.getControl();
data = (FormData) text.getLayoutData();
editionControlHelper.register(param.getName(), text);
if (param.isRequired()) {
FieldDecoration decoration = FieldDecorationRegistry.getDefault().getFieldDecoration(
FieldDecorationRegistry.DEC_REQUIRED);
dField.addFieldDecoration(decoration, SWT.RIGHT | SWT.TOP, false);
}
}
if (getAdditionalHeightSize() != 0) {
nbLines += this.getAdditionalHeightSize() / text.getLineHeight();
}
data.height = text.getLineHeight() * nbLines;
text.getParent().setSize(subComposite.getSize().x, text.getLineHeight() * nbLines);
cLayout.setBackground(subComposite.getBackground());
// for bug 7580
if (!(text instanceof ReconcilerStyledText)) {
text.setEnabled(!param.isReadOnly());
} else {
text.setEditable(!param.isReadOnly());
}
if (elem instanceof Node) {
text.setToolTipText(VARIABLE_TOOLTIP + param.getVariableName());
}
addDragAndDropTarget(text);
addSnippetDropTarget(viewer);
// IDocument document = viewer.getDocument();
// if (document != null) {
// Process pro = null;
// if (elem instanceof Node) {
// pro = (Process) ((Node) elem).getProcess();
// } else if (elem instanceof Connection) {
// pro = (Process) ((Connection) elem).getSource().getProcess();
// }
// final Process process = pro;
// document.addDocumentListener(new IDocumentListener() {
//
// public void documentChanged(DocumentEvent event) {
// if (!process.isReadOnly())
// ContextParameterExtractor.saveContext(paramName, elem, viewer.getTextWidget().getText(), process);
// }
//
// public void documentAboutToBeChanged(DocumentEvent event) {
// // nothing to do
// }
// });
//
// }
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.right = new FormAttachment((numInRow * MAX_PERCENT) / nbInRow, 0);
data.top = new FormAttachment(0, top);
cLayout.setLayoutData(data);
// **********************
hashCurControls.put(param.getName(), text);
Point initialSize = cLayout.computeSize(SWT.DEFAULT, SWT.DEFAULT);
dynamicProperty.setCurRowSize(initialSize.y + ITabbedPropertyConstants.VSPACE);
return null;
}
/**
*
* DOC YeXiaowei Comment method "addCodeGenerateButton".
*
* @param parent
*/
private void addCodeGenerateButton(final Composite parent) {
codeGenereateButton = new Button(parent, SWT.CENTER);
codeGenereateButton.setText(Messages.getString("AbstractLanguageMemoController.generateCode")); //$NON-NLS-1$
codeGenereateButton.setToolTipText(Messages.getString("AbstractLanguageMemoController.generateSampleCode")); //$NON-NLS-1$
codeGenereateButton.setEnabled(!elem.isReadOnly());
GridData layoutData = new GridData();
layoutData.horizontalAlignment = SWT.CENTER;
codeGenereateButton.setLayoutData(layoutData);
codeGenereateButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (elem instanceof Node) {
// generate code
ISampleCodeFactory factory = JavaSampleCodeFactory.getInstance();
executeCommand(factory.generateCodeForParameters((Node) elem));
refresh(curParameter, false);
}
}
});
}
private boolean isNeedToAddCodeGenerateButton() {
if (elem instanceof Node) {
return ((Node) elem).getUniqueName().startsWith("tJavaRow"); //$NON-NLS-1$
}
return false;
}
/**
* DOC bqian Comment method "addSnippetDropTarget".
*
* @param viewer
*/
private void addSnippetDropTarget(ISourceViewer viewer) {
if (viewer.getTextWidget().getData("DropTarget") != null) { //$NON-NLS-1$
DropTarget dropTarget = (DropTarget) viewer.getTextWidget().getData("DropTarget"); //$NON-NLS-1$
Transfer[] transfers = dropTarget.getTransfer();
if (!(transfers[transfers.length - 1] instanceof LocalSelectionTransfer)) {
Transfer[] newTransfers = new Transfer[transfers.length + 1];
System.arraycopy(transfers, 0, newTransfers, 0, transfers.length);
newTransfers[transfers.length] = LocalSelectionTransfer.getTransfer();
dropTarget.setTransfer(newTransfers);
}
DropTargetListener dropLisenter = new SnippetDropTargetListener((TextViewer) viewer,
getParameterName(viewer.getTextWidget()), elem, getCommandStack());
dropTarget.addDropListener(dropLisenter);
} else {
int ops = DND.DROP_COPY | DND.DROP_MOVE;
DropTargetListener dropLisenter = new SnippetDropTargetListener((TextViewer) viewer,
getParameterName(viewer.getTextWidget()), elem, getCommandStack());
((ReconcilerViewer) viewer)
.addDropSupport(ops, new Transfer[] { LocalSelectionTransfer.getTransfer() }, dropLisenter);
}
}
/*
* (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) {
if (!estimateInitialized) {
IControlCreator txtCtrl = new IControlCreator() {
public Control createControl(final Composite parent, final int style) {
final ColorStyledText colorText = new ColorStyledText(parent, style, CorePlugin.getDefault()
.getPreferenceStore(), language);
Display display = Display.getCurrent();
if (display == null) {
display = Display.getDefault();
}
if (display != null) {
display.syncExec(new Runnable() {
public void run() {
IPreferenceStore preferenceStore = CorePlugin.getDefault().getPreferenceStore();
String fontType = preferenceStore.getString(TalendDesignerPrefConstants.MEMO_TEXT_FONT);
FontData fontData = new FontData(fontType);
Font font = new Font(parent.getDisplay(), fontData);
addResourceDisposeListener(colorText, font);
colorText.setFont(font);
}
});
}
return colorText;
}
};
DecoratedField dField = null;
if (param.getNbLines() != 1) {
dField = new DecoratedField(subComposite, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP,
txtCtrl);
} else {
dField = new DecoratedField(subComposite, SWT.BORDER | SWT.WRAP, txtCtrl);
}
StyledText text = (StyledText) dField.getControl();
FormData d = (FormData) text.getLayoutData();
d.height = text.getLineHeight();
text.getParent().setSize(subComposite.getSize().x, text.getLineHeight());
rowSizeByLine = text.getLineHeight();
Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
dField.getLayoutControl().dispose();
rowSizeFixed = ITabbedPropertyConstants.VSPACE + (initialSize.y - rowSizeByLine);
estimateInitialized = true;
}
return rowSizeFixed + (rowSizeByLine * param.getNbLines());
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#hasDynamicRowSize
* ()
*/
@Override
public boolean hasDynamicRowSize() {
return true;
}
/*
* (non-Javadoc)
*
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent evt) {
// TODO Auto-generated method stub
}
/**
* DOC ftang Comment method "setLanguage".
*/
protected abstract void setLanguage();
protected void setCurrentLanguage(String language) {
this.language = language;
}
@Override
public void refresh(IElementParameter param, boolean checkErrorsWhenViewRefreshed) {
Object o = hashCurControls.get(param.getName());
if (o == null) {
return;
}
Object value = param.getValue();
if (o instanceof StyledText) {
StyledText text = (StyledText) o;
if (text.isDisposed()) {
return;
}
if (value == null) {
text.setText(""); //$NON-NLS-1$
} else {
if (!value.equals(text.getText())) {
text.setText((String) value);
}
}
}
}
}