Java tutorial
/* * Copyright 2011-2012 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.cloudfront; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; 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.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IEditorInput; import org.eclipse.ui.IEditorSite; import org.eclipse.ui.PartInitException; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.ScrolledForm; import org.eclipse.ui.forms.widgets.Section; import org.eclipse.ui.part.EditorPart; import com.amazonaws.eclipse.core.AWSClientFactory; import com.amazonaws.eclipse.core.AwsToolkitCore; import com.amazonaws.eclipse.core.ui.IRefreshable; import com.amazonaws.eclipse.core.ui.WebLinkListener; import com.amazonaws.eclipse.explorer.AbstractAwsResourceEditorInput; import com.amazonaws.services.cloudfront_2012_03_15.AmazonCloudFront; public abstract class AbstractDistributionEditor extends EditorPart implements IRefreshable { private static final String ACCESS_LOGGING_DOCUMENTATION_URL = "http://docs.amazonwebservices.com/AmazonCloudFront/latest/DeveloperGuide/AccessLogs.html"; private static final String CNAME_DOCUMENTATION_URL = "http://docs.amazonwebservices.com/AmazonCloudFront/latest/DeveloperGuide/CNAMEs.html"; private AbstractAwsResourceEditorInput editorInput; protected Text domainNameText; protected Text distributionIdText; protected Text lastModifiedText; protected Text enabledText; protected Text statusText; protected Text commentText; protected Label defaultRootObjectLabel; protected Label requiredProtocolsLabel; protected Text originText; protected Text loggingEnabledText; protected Text loggingBucketText; protected Text loggingPrefixText; protected org.eclipse.swt.widgets.List cnamesList; private ScrolledForm form; protected boolean supportsDefaultRootObjects() { return true; } protected boolean supportsSpecificProtocols() { return true; } protected abstract void contributeActions(IToolBarManager iToolBarManager); protected abstract String getResourceTitle(); @Override public void doSave(IProgressMonitor monitor) { } @Override public void doSaveAs() { } @Override public boolean isDirty() { return false; } @Override public boolean isSaveAsAllowed() { return false; } @Override public void setFocus() { } @Override public void init(IEditorSite site, IEditorInput input) throws PartInitException { setSite(site); setInput(input); setPartName(input.getName()); this.editorInput = (AbstractAwsResourceEditorInput) input; } @Override public void createPartControl(Composite parent) { FormToolkit toolkit = new FormToolkit(Display.getDefault()); form = toolkit.createScrolledForm(parent); form.setFont(JFaceResources.getHeaderFont()); form.setText(getResourceTitle() + " " + editorInput.getName()); toolkit.decorateFormHeading(form.getForm()); form.setImage(getTitleImage()); form.getBody().setLayout(new GridLayout()); createDistributionSummaryComposite(toolkit, form.getBody()); form.reflow(true); refreshData(); contributeActions(form.getToolBarManager()); form.getToolBarManager().add(new Separator()); form.getToolBarManager().add(new RefreshAction()); form.getToolBarManager().update(true); } protected void createDistributionSummaryComposite(FormToolkit toolkit, Composite parent) { GridDataFactory gdf = GridDataFactory.swtDefaults().align(SWT.FILL, SWT.TOP).grab(true, false); GridDataFactory sectionGDF = GridDataFactory.swtDefaults().span(2, 1).grab(true, false) .align(SWT.FILL, SWT.TOP).indent(0, 10); Composite summaryComposite = toolkit.createComposite(parent); summaryComposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); summaryComposite.setLayout(new GridLayout(2, false)); toolkit.createLabel(summaryComposite, "Domain Name:"); domainNameText = createText(summaryComposite); gdf.applyTo(domainNameText); toolkit.createLabel(summaryComposite, "Distribution ID:"); distributionIdText = createText(summaryComposite); gdf.applyTo(distributionIdText); toolkit.createLabel(summaryComposite, "Origin:"); originText = createText(summaryComposite); gdf.applyTo(originText); toolkit.createLabel(summaryComposite, "Enabled:"); enabledText = createText(summaryComposite); gdf.applyTo(enabledText); toolkit.createLabel(summaryComposite, "Status:"); statusText = createText(summaryComposite); gdf.applyTo(statusText); toolkit.createLabel(summaryComposite, "Last Modified:"); lastModifiedText = createText(summaryComposite); gdf.applyTo(lastModifiedText); toolkit.createLabel(summaryComposite, "Comment:"); commentText = createText(summaryComposite); gdf.applyTo(commentText); if (supportsSpecificProtocols()) { toolkit.createLabel(summaryComposite, "Supported Protocols:"); requiredProtocolsLabel = toolkit.createLabel(summaryComposite, ""); gdf.applyTo(requiredProtocolsLabel); } if (supportsDefaultRootObjects()) { toolkit.createLabel(summaryComposite, "Default Root Object:"); defaultRootObjectLabel = toolkit.createLabel(summaryComposite, ""); gdf.applyTo(defaultRootObjectLabel); } // Logging Section loggingSection = toolkit.createSection(summaryComposite, Section.EXPANDED | Section.TITLE_BAR); loggingSection.setText("Access Logging:"); Composite loggingComposite = toolkit.createComposite(loggingSection); loggingSection.setClient(loggingComposite); loggingComposite.setLayout(new GridLayout(2, false)); sectionGDF.applyTo(loggingSection); toolkit.createLabel(loggingComposite, "Logging Enabled:"); loggingEnabledText = createText(loggingComposite); toolkit.createLabel(loggingComposite, "Destination Bucket:"); loggingBucketText = createText(loggingComposite); gdf.applyTo(loggingBucketText); toolkit.createLabel(loggingComposite, "Log File Prefix:"); loggingPrefixText = createText(loggingComposite); gdf.applyTo(loggingPrefixText); WebLinkListener webLinkListener = new WebLinkListener(); createVerticalSpacer(loggingComposite); createLink(loggingComposite, webLinkListener, "Amazon CloudFront provides optional log files with information about end user access to your objects."); createLink(loggingComposite, webLinkListener, "For more information, see the <A HREF=\"" + ACCESS_LOGGING_DOCUMENTATION_URL + "\">Access Logs for Distributions</A> section in the Amazon CloudFront documentation."); // CNAMEs Section cnamesSection = toolkit.createSection(summaryComposite, Section.EXPANDED | Section.TITLE_BAR); Composite cnamesComposite = toolkit.createComposite(cnamesSection); cnamesSection.setClient(cnamesComposite); sectionGDF.applyTo(cnamesSection); cnamesSection.setText("CNAME Aliases:"); cnamesComposite.setLayout(new GridLayout(2, false)); cnamesList = new org.eclipse.swt.widgets.List(cnamesComposite, SWT.BORDER | SWT.READ_ONLY | SWT.V_SCROLL); gdf.applyTo(cnamesList); ((GridData) cnamesList.getLayoutData()).horizontalSpan = 2; createVerticalSpacer(cnamesComposite); createLink(cnamesComposite, webLinkListener, "A CNAME record lets you specify an alternate domain name for the domain name CloudFront provides for your distribution."); createLink(cnamesComposite, webLinkListener, "For more information, see the <A HREF=\"" + CNAME_DOCUMENTATION_URL + "\">Using CNAMEs with Distributions</A> section in the Amazon CloudFront documentation."); } /* * Utils */ protected AmazonCloudFront getClient() { AWSClientFactory clientFactory = AwsToolkitCore.getClientFactory(editorInput.getAccountId()); return clientFactory.getCloudFrontClientByEndpoint(editorInput.getRegionEndpoint()); } protected Text createText(Composite parent) { Text text = new Text(parent, SWT.READ_ONLY); text.setBackground(parent.getBackground()); text.setText(""); return text; } protected Link createLink(Composite parent, Listener linkListener, String linkText) { Link link = new Link(parent, SWT.WRAP); link.setText(linkText); link.addListener(SWT.Selection, linkListener); GridData data = new GridData(SWT.FILL, SWT.TOP, false, false); data.horizontalSpan = 2; data.widthHint = 100; data.heightHint = 15; link.setLayoutData(data); return link; } protected Composite createVerticalSpacer(Composite parent) { Composite spacer = new Composite(parent, SWT.NONE); GridData data = new GridData(SWT.FILL, SWT.TOP, false, false); spacer.setSize(SWT.DEFAULT, 5); data.horizontalSpan = 2; data.widthHint = 5; data.heightHint = 5; spacer.setLayoutData(data); return spacer; } protected void updateToolbar() { form.getToolBarManager().update(true); } protected final class RefreshAction extends Action { public RefreshAction() { this.setText("Refresh"); this.setToolTipText("Refresh distribution information"); this.setImageDescriptor( AwsToolkitCore.getDefault().getImageRegistry().getDescriptor(AwsToolkitCore.IMAGE_REFRESH)); } @Override public void run() { refreshData(); } } }