Java tutorial
/******************************************************************************* * Copyright (c) 2015, 2016 Pivotal, Inc. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Pivotal, Inc. - initial API and implementation *******************************************************************************/ package org.springframework.ide.eclipse.boot.dash.views; import java.util.Collection; import org.eclipse.core.runtime.CoreException; import org.eclipse.debug.core.ILaunchConfiguration; import org.eclipse.debug.ui.DebugUITools; import org.eclipse.debug.ui.IDebugModelPresentation; import org.eclipse.jdt.core.IType; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IInputValidator; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.MessageDialogWithToggle; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.window.Window; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.dialogs.ElementListSelectionDialog; import org.springframework.ide.eclipse.boot.dash.BootDashActivator; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.deployment.CloudApplicationDeploymentProperties; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.deployment.DeploymentPropertiesDialog; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.deployment.ManifestDiffDialog; import org.springframework.ide.eclipse.boot.dash.dialogs.CustomizeAppsManagerURLDialog; import org.springframework.ide.eclipse.boot.dash.dialogs.CustomizeAppsManagerURLDialogModel; import org.springframework.ide.eclipse.boot.dash.dialogs.DeploymentPropertiesDialogModel; import org.springframework.ide.eclipse.boot.dash.dialogs.EditTemplateDialog; import org.springframework.ide.eclipse.boot.dash.dialogs.EditTemplateDialogModel; import org.springframework.ide.eclipse.boot.dash.dialogs.ManifestDiffDialogModel; import org.springframework.ide.eclipse.boot.dash.dialogs.ManifestDiffDialogModel.Result; import org.springframework.ide.eclipse.boot.dash.dialogs.PasswordDialogModel; import org.springframework.ide.eclipse.boot.dash.dialogs.SelectRemoteEurekaDialog; import org.springframework.ide.eclipse.boot.dash.dialogs.ToggleFiltersDialog; import org.springframework.ide.eclipse.boot.dash.dialogs.ToggleFiltersDialogModel; import org.springframework.ide.eclipse.boot.dash.model.BootDashViewModel; import org.springframework.ide.eclipse.boot.dash.model.UserInteractions; import org.springframework.ide.eclipse.boot.dash.views.sections.BootDashTreeContentProvider; import org.springsource.ide.eclipse.commons.livexp.core.LiveVariable; import org.springsource.ide.eclipse.commons.livexp.util.ExceptionUtil; import org.springsource.ide.eclipse.commons.ui.UiUtil; /** * An implementation of 'UserInteractions' that uses real Dialogs, for use in * 'production'. * * @author Kris De Volder */ public class DefaultUserInteractions implements UserInteractions { public interface UIContext { Shell getShell(); } private UIContext context; public DefaultUserInteractions(UIContext context) { this.context = context; } @Override public ILaunchConfiguration chooseConfigurationDialog(final String dialogTitle, final String message, final Collection<ILaunchConfiguration> configs) { final LiveVariable<ILaunchConfiguration> chosen = new LiveVariable<>(); context.getShell().getDisplay().syncExec(new Runnable() { public void run() { IDebugModelPresentation labelProvider = DebugUITools.newDebugModelPresentation(); try { ElementListSelectionDialog dialog = new ElementListSelectionDialog(getShell(), labelProvider); dialog.setElements(configs.toArray()); dialog.setTitle(dialogTitle); dialog.setMessage(message); dialog.setMultipleSelection(false); int result = dialog.open(); labelProvider.dispose(); if (result == Window.OK) { chosen.setValue((ILaunchConfiguration) dialog.getFirstResult()); } } finally { labelProvider.dispose(); } } }); return chosen.getValue(); } private Shell getShell() { return context.getShell(); } @Override public IType chooseMainType(final IType[] mainTypes, final String dialogTitle, final String message) { if (mainTypes.length == 1) { return mainTypes[0]; } else if (mainTypes.length > 0) { // Take care the UI interactions don't bork if called from non-ui // thread. final LiveVariable<IType> chosenType = new LiveVariable<>(); getShell().getDisplay().syncExec(new Runnable() { public void run() { IDebugModelPresentation labelProvider = DebugUITools.newDebugModelPresentation(); try { ElementListSelectionDialog dialog = new ElementListSelectionDialog(getShell(), labelProvider); dialog.setElements(mainTypes); dialog.setTitle(dialogTitle); dialog.setMessage(message); dialog.setMultipleSelection(false); int result = dialog.open(); labelProvider.dispose(); if (result == Window.OK) { chosenType.setValue((IType) dialog.getFirstResult()); } } finally { labelProvider.dispose(); } } }); return chosenType.getValue(); } return null; } @Override public void errorPopup(final String title, final String message) { getShell().getDisplay().asyncExec(new Runnable() { public void run() { MessageDialog.openError(getShell(), title, message); } }); } @Override public void openLaunchConfigurationDialogOnGroup(final ILaunchConfiguration conf, final String launchGroup) { getShell().getDisplay().asyncExec(new Runnable() { public void run() { IStructuredSelection selection = new StructuredSelection(new Object[] { conf }); DebugUITools.openLaunchConfigurationDialogOnGroup(getShell(), selection, launchGroup); } }); } @Override public void openUrl(final String url) { getShell().getDisplay().asyncExec(new Runnable() { public void run() { if (url != null) { UiUtil.openUrl(url); } } }); } @Override public boolean confirmOperation(final String title, final String message) { final boolean[] confirm = { false }; getShell().getDisplay().syncExec(new Runnable() { public void run() { confirm[0] = MessageDialog.openConfirm(getShell(), title, message); } }); return confirm[0]; } @Override public void openDialog(final ToggleFiltersDialogModel model) { final Shell shell = getShell(); shell.getDisplay().syncExec(new Runnable() { public void run() { ToggleFiltersDialog dlg = new ToggleFiltersDialog("Select Filters", model, shell); dlg.open(); } }); } @Override public String chooseFile(String title, String file) { FileDialog fileDialog = new FileDialog(getShell()); fileDialog.setText(title); fileDialog.setFileName(file); String result = fileDialog.open(); return result; } @Override public String selectRemoteEureka(BootDashViewModel model, String title, String message, String initialValue, IInputValidator validator) { SelectRemoteEurekaDialog dialog = new SelectRemoteEurekaDialog(getShell(), new BootDashTreeContentProvider()); dialog.setInput(model); dialog.setTitle("Select Eureka instance"); dialog.setMessage("Select the Eureka instance this local app should be registered with"); int open = dialog.open(); if (open == Window.OK) { String result = dialog.getSelectedEurekaURL(); return result; } return null; } @Override public CloudApplicationDeploymentProperties promptApplicationDeploymentProperties( DeploymentPropertiesDialogModel model) throws Exception { final Shell shell = getShell(); if (shell != null) { shell.getDisplay().syncExec(new Runnable() { @Override public void run() { new DeploymentPropertiesDialog(shell, model).open(); } }); } return model.getDeploymentProperties(); } @Override public boolean yesNoWithToggle(final String propertyKey, final String title, final String message, final String toggleMessage) { final String ANSWER = propertyKey + ".answer"; final String TOGGLE = propertyKey + ".toggle"; final IPreferenceStore store = getPreferencesStore(); store.setDefault(ANSWER, true); boolean toggleState = store.getBoolean(TOGGLE); boolean answer = store.getBoolean(ANSWER); if (toggleState) { return answer; } final boolean[] dialog = new boolean[2]; getShell().getDisplay().syncExec(new Runnable() { @Override public void run() { MessageDialogWithToggle result = MessageDialogWithToggle.openYesNoQuestion(getShell(), title, message, toggleMessage, false, null, null); dialog[0] = result.getReturnCode() == IDialogConstants.YES_ID; dialog[1] = result.getToggleState(); } }); store.setValue(TOGGLE, dialog[1]); store.setValue(ANSWER, dialog[0]); return dialog[0]; } @Override public boolean confirmWithToggle(final String propertyKey, final String title, final String message, final String toggleMessage) { final IPreferenceStore store = getPreferencesStore(); boolean toggleState = store.getBoolean(propertyKey); if (toggleState) { return true; } final boolean[] dialog = new boolean[2]; getShell().getDisplay().syncExec(new Runnable() { @Override public void run() { MessageDialogWithToggle result = MessageDialogWithToggle.openOkCancelConfirm(getShell(), title, message, toggleMessage, false, null, null); dialog[0] = result.getReturnCode() == IDialogConstants.OK_ID; dialog[1] = result.getToggleState(); } }); store.setValue(propertyKey, dialog[0] && dialog[1]); return dialog[0]; } protected IPreferenceStore getPreferencesStore() { return BootDashActivator.getDefault().getPreferenceStore(); } @Override public Result openManifestDiffDialog(ManifestDiffDialogModel model) throws CoreException { LiveVariable<Integer> resultCode = new LiveVariable<>(); LiveVariable<Throwable> error = new LiveVariable<>(); getShell().getDisplay().syncExec(() -> { try { resultCode.setValue(new ManifestDiffDialog(getShell(), model).open()); } catch (Exception e) { error.setValue(e); } }); if (error.getValue() != null) { throw ExceptionUtil.coreException(error.getValue()); } else { return ManifestDiffDialog.getResultForCode(resultCode.getValue()); } } @Override public void openEditTemplateDialog(final EditTemplateDialogModel model) { getShell().getDisplay().syncExec(new Runnable() { public void run() { new EditTemplateDialog(model, getShell()).open(); } }); } @Override public void openEditAppsManagerURLDialog(CustomizeAppsManagerURLDialogModel model) { getShell().getDisplay().syncExec(new Runnable() { public void run() { new CustomizeAppsManagerURLDialog(model, getShell()).open(); } }); } @Override public int confirmOperation(String title, String message, String[] buttonLabels, int defaultButtonIndex) { return new MessageDialog(getShell(), title, null, message, MessageDialog.QUESTION, buttonLabels, defaultButtonIndex).open(); } @Override public void openPasswordDialog(PasswordDialogModel model) { getShell().getDisplay().syncExec(new Runnable() { public void run() { new UpdatePasswordDialog(getShell(), model).open(); } }); } @Override public void warningPopup(String title, String message) { getShell().getDisplay().asyncExec(new Runnable() { public void run() { MessageDialog.openWarning(getShell(), title, message); } }); } }