/*
* 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.LinkedList;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
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.Display;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.statushandlers.StatusManager;
import com.amazonaws.eclipse.cloudformation.CloudFormationPlugin;
import com.amazonaws.eclipse.core.AWSClientFactory;
import com.amazonaws.eclipse.core.AwsToolkitCore;
import com.amazonaws.services.cloudformation.AmazonCloudFormation;
import com.amazonaws.services.cloudformation.model.DescribeStackEventsRequest;
import com.amazonaws.services.cloudformation.model.DescribeStackEventsResult;
import com.amazonaws.services.cloudformation.model.StackEvent;
public class StackEventsTable extends Composite {
private TreeViewer viewer;
private final StackEditorInput stackEditorInput;
private final class StackEventsContentProvider implements ITreePathContentProvider {
private StackEvent[] events;
public void dispose() {}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (newInput instanceof StackEvent[]) {
events = (StackEvent[])newInput;
} else {
events = new StackEvent[0];
}
}
public Object[] getElements(Object inputElement) {
return events;
}
public Object[] getChildren(TreePath parentPath) {
return null;
}
public boolean hasChildren(TreePath path) {
return false;
}
public TreePath[] getParents(Object element) {
return new TreePath[0];
}
}
private final class StackEventsLabelProvider 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 StackEvent == false) return "";
StackEvent stackEvent = (StackEvent)element;
switch (columnIndex) {
case 0: return stackEvent.getTimestamp().toString();
case 1: return stackEvent.getResourceStatus();
case 2: return stackEvent.getResourceType();
case 3: return stackEvent.getLogicalResourceId();
case 4: return stackEvent.getPhysicalResourceId();
case 5: return stackEvent.getResourceStatusReason();
}
return element.toString();
}
}
public StackEventsTable(Composite parent, FormToolkit toolkit, StackEditorInput stackEditorInput) {
super(parent, SWT.NONE);
this.stackEditorInput = stackEditorInput;
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);
StackEventsContentProvider contentProvider = new StackEventsContentProvider();
StackEventsLabelProvider labelProvider = new StackEventsLabelProvider();
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());
refresh();
}
public void refresh() {
new LoadStackEventsThread().start();
}
private void createColumns(TreeColumnLayout columnLayout, Tree tree) {
createColumn(tree, columnLayout, "Event Time");
createColumn(tree, columnLayout, "State");
createColumn(tree, columnLayout, "Resource Type");
createColumn(tree, columnLayout, "Logical ID");
createColumn(tree, columnLayout, "Physical ID");
createColumn(tree, columnLayout, "Reason");
}
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;
}
private AmazonCloudFormation getClient() {
AWSClientFactory clientFactory = AwsToolkitCore.getClientFactory(stackEditorInput.getAccountId());
return clientFactory.getCloudFormationClientByEndpoint(stackEditorInput.getRegionEndpoint());
}
private class LoadStackEventsThread extends Thread {
@Override
public void run() {
try {
DescribeStackEventsRequest request = new DescribeStackEventsRequest().withStackName(stackEditorInput.getStackName());
final List<StackEvent> stackEvents = new LinkedList<StackEvent>();
DescribeStackEventsResult result = null;
do {
if (result != null) request.setNextToken(result.getNextToken());
result = getClient().describeStackEvents(request);
stackEvents.addAll(result.getStackEvents());
} while (result.getNextToken() != null);
Display.getDefault().asyncExec(new Runnable() {
public void run() {
viewer.setInput(stackEvents.toArray(new StackEvent[stackEvents.size()]));
}
});
} catch (Exception e) {
Status status = new Status(IStatus.WARNING, CloudFormationPlugin.PLUGIN_ID, "Unable to describe events for stack " + stackEditorInput.getStackName(), e);
StatusManager.getManager().handle(status, StatusManager.LOG);
}
}
}
}