/*
* Copyright 2012 Amazon Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://aws.amazon.com/apache2.0
*
* This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazonaws.eclipse.explorer.cloudformation;
import java.util.List;
import org.eclipse.jface.layout.TreeColumnLayout;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.ITreePathContentProvider;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.ui.forms.widgets.FormToolkit;
import com.amazonaws.services.cloudformation.model.Parameter;
class StackParametersTable extends Composite {
private TreeViewer viewer;
public StackParametersTable(Composite parent, FormToolkit toolkit) {
super(parent, SWT.NONE);
this.setLayout(new GridLayout());
Composite composite = toolkit.createComposite(this);
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
TreeColumnLayout tableColumnLayout = new TreeColumnLayout();
composite.setLayout(tableColumnLayout);
StackParametersContentProvider contentProvider = new StackParametersContentProvider();
StackParametersLabelProvider labelProvider = new StackParametersLabelProvider();
viewer = new TreeViewer(composite, SWT.BORDER | SWT.MULTI);
viewer.getTree().setLinesVisible(true);
viewer.getTree().setHeaderVisible(true);
viewer.setLabelProvider(labelProvider);
viewer.setContentProvider(contentProvider);
createColumns(tableColumnLayout, viewer.getTree());
}
private void createColumns(TreeColumnLayout columnLayout, Tree tree) {
createColumn(tree, columnLayout, "Key");
createColumn(tree, columnLayout, "Value");
}
private TreeColumn createColumn(Tree tree, TreeColumnLayout columnLayout, String text) {
TreeColumn column = new TreeColumn(tree, SWT.NONE);
column.setText(text);
column.setMoveable(true);
columnLayout.setColumnData(column, new ColumnWeightData(30));
return column;
}
public void updateStackParameters(List<Parameter> parameters) {
viewer.setInput(parameters.toArray(new Parameter[parameters.size()]));
}
private class StackParametersContentProvider implements ITreePathContentProvider {
Parameter[] parameters;
public void dispose() {}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (newInput instanceof Parameter[]) parameters = (Parameter[])newInput;
else parameters = new Parameter[0];
}
public Object[] getElements(Object inputElement) {
return parameters;
}
public Object[] getChildren(TreePath parentPath) {
return null;
}
public boolean hasChildren(TreePath path) {
return false;
}
public TreePath[] getParents(Object element) {
return new TreePath[0];
}
}
private class StackParametersLabelProvider implements ITableLabelProvider {
public void addListener(ILabelProviderListener listener) {}
public void removeListener(ILabelProviderListener listener) {}
public void dispose() {}
public boolean isLabelProperty(Object element, String property) {
return false;
}
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
if (element instanceof Parameter == false) return "";
Parameter parameter = (Parameter)element;
switch (columnIndex) {
case 0: return parameter.getParameterKey();
case 1: return parameter.getParameterValue();
default: return "";
}
}
}
public void setStackParameters(List<Parameter> parameters) {
if (parameters == null) viewer.setInput(new Parameter[0]);
viewer.setInput(parameters.toArray(new Parameter[parameters.size()]));
}
}