// ============================================================================
//
// 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.core.ui.context.model.template;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.talend.core.language.ECodeLanguage;
import org.talend.core.language.LanguageManager;
import org.talend.core.model.context.ContextUtils;
import org.talend.core.model.context.JobContext;
import org.talend.core.model.metadata.types.ContextParameterJavaTypeManager;
import org.talend.core.model.metadata.types.JavaType;
import org.talend.core.model.process.IContext;
import org.talend.core.model.process.IContextManager;
import org.talend.core.model.process.IContextParameter;
import org.talend.core.model.properties.ContextItem;
import org.talend.core.model.utils.ContextParameterUtils;
import org.talend.core.ui.context.IContextModelManager;
import org.talend.core.ui.context.model.ContextProviderProxy;
/**
* A label and content provider for the treeviewer which groups the Contexts by nothing.
*
*/
public class GroupByNothingProvider extends ContextProviderProxy {
private IContextModelManager modelManager = null;
public GroupByNothingProvider(IContextModelManager modelManager) {
super();
this.modelManager = modelManager;
if (modelManager == null) {
throw new NullPointerException();
}
}
private IContextManager getContextManager() {
if (modelManager != null) {
return modelManager.getContextManager();
}
return null;
}
private String getColumnTextForJobContext(ContextVariableTabParentModel parent, int columnIndex) {
IContextParameter contextPara = parent.getContextParameter();
switch (columnIndex) {
case 0:
return contextPara.getName();
case 1:
String sourceId = contextPara.getSource();
if (IContextParameter.BUILT_IN.equals(sourceId))
return IContextParameter.BUILT_IN;
else {
ContextItem contextItem = ContextUtils.getContextItemById2(sourceId);
if (contextItem != null)
return contextItem.getProperty().getLabel();
else
return sourceId;
}
case 2:
String type = contextPara.getType();
JavaType javaType = ContextParameterJavaTypeManager.getJavaTypeFromId(type);
if (javaType != null)
return javaType.getLabel();
else
return type;
case 3:
final ECodeLanguage codeLanguage = LanguageManager.getCurrentLanguage();
if (codeLanguage == ECodeLanguage.JAVA)
return ContextParameterUtils.getNewScriptCode(contextPara.getName(), codeLanguage);
else
return contextPara.getScriptCode();
case 4:
return contextPara.getComment();
default:
return "";
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
*/
public String getColumnText(Object element, int columnIndex) {
if (element instanceof ContextVariableTabParentModel) {
ContextVariableTabParentModel parent = (ContextVariableTabParentModel) element;
if (columnIndex == 0)
return getColumnTextForJobContext(parent, 0);
else if (columnIndex > 0) {
if (!modelManager.isRepositoryContext()) {
return getColumnTextForJobContext(parent, columnIndex);
} else {
return getColumnTextForJobContext(parent, columnIndex + 1);
}
}
}
return ""; //$NON-NLS-1$
}
/*
* (non-Javadoc)
*
* @see org.talend.core.ui.context.ConextTreeValuesComposite.ProviderProxy#getColumnImage(java.lang.Object, int)
*/
@Override
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
List<IContext> contexts = (List<IContext>) inputElement;
List<ContextVariableTabParentModel> output = new ArrayList<ContextVariableTabParentModel>();
if (contexts != null && contexts.size() > 0) {
IContext context = contexts.get(0);
if (context != null) {
List<IContextParameter> contextParams = context.getContextParameterList();
for (IContextParameter contextParameter : contextParams) {
ContextVariableTabParentModel parent = new ContextVariableTabParentModel();
parent.setContextParameter(contextParameter);
output.add(parent);
}
}
}
return output.toArray();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof ContextVariableTabParentModel) {
ContextVariableTabParentModel parent = (ContextVariableTabParentModel) parentElement;
return parent.getChildren().toArray();
}
return new Object[0];
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
*/
public Object getParent(Object element) {
if (element instanceof ContextVariableTabChildModel) {
ContextVariableTabChildModel child = (ContextVariableTabChildModel) element;
return child.getParent();
}
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
public boolean hasChildren(Object element) {
if (element instanceof ContextVariableTabParentModel) {
ContextVariableTabParentModel parent = (ContextVariableTabParentModel) element;
return parent.hasChildren();
}
return false;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITableColorProvider#getForeground(java.lang.Object, int)
*/
public Color getForeground(Object element, int columnIndex) {
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITableColorProvider#getBackground(java.lang.Object, int)
*/
public Color getBackground(Object element, int columnIndex) {
if (element instanceof ContextVariableTabParentModel) {
ContextVariableTabParentModel parent = (ContextVariableTabParentModel) element;
IContextParameter contextPara = parent.getContextParameter();
String name = contextPara.getName();
if (hasSameNameContextParameters(name))
return Display.getDefault().getSystemColor(SWT.COLOR_RED);
}
return null;
}
/**
*
* @param name
* @return
*/
private boolean hasSameNameContextParameters(String name) {
boolean has = false;
IContextManager contextManager = getContextManager();
IContext context = contextManager.getDefaultContext();
if (context instanceof JobContext) {
JobContext jobContext = (JobContext) context;
int size = jobContext.getSameNameContextParameterSize(name);
if (size > 1)
has = true;
}
return has;
}
}