Author: adietish Date: 2011-10-03 11:37:04 -0400 (Mon, 03 Oct 2011) New Revision: 35285 Added: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java Modified: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/CommonUIMessages.java trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/messages.properties Log: [JBIDE-9805] moved DatabindingUtils to org.jboss.tools.common.ui Modified: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/CommonUIMessages.java =================================================================== --- trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/CommonUIMessages.java 2011-10-03 15:04:57 UTC (rev 35284) +++ trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/CommonUIMessages.java 2011-10-03 15:37:04 UTC (rev 35285) @@ -71,6 +71,8 @@ public static String BROWSER_COULD_NOT_DISPLAY_MALFORMED_URL; public static String URLSTRINGVALIDATOR_NOT_A_VALID_URL; + + public static String MANDATORYSTRING_VALIDATOR_MUST_PROVIDE_VALUE; static { NLS.initializeMessages(BUNDLE_NAME, CommonUIMessages.class); Added: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java =================================================================== --- trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java (rev 0) +++ trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java 2011-10-03 15:37:04 UTC (rev 35285) @@ -0,0 +1,124 @@ +/******************************************************************************* + * Copyright (c) 2011 Red Hat, Inc. + * Distributed under license by Red Hat, Inc. All rights reserved. + * This program is 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: + * Red Hat, Inc. - initial API and implementation + ******************************************************************************/ +package org.jboss.tools.common.ui.databinding; + +import org.eclipse.core.databinding.AggregateValidationStatus; +import org.eclipse.core.databinding.Binding; +import org.eclipse.core.databinding.DataBindingContext; +import org.eclipse.core.databinding.UpdateValueStrategy; +import org.eclipse.core.databinding.beans.BeanProperties; +import org.eclipse.core.databinding.observable.IObservableCollection; +import org.eclipse.core.databinding.observable.list.WritableList; +import org.eclipse.core.databinding.observable.value.IObservableValue; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.jface.databinding.fieldassist.ControlDecorationSupport; +import org.eclipse.jface.databinding.swt.WidgetProperties; +import org.eclipse.osgi.util.NLS; +import org.eclipse.swt.SWT; +import org.eclipse.swt.widgets.Button; +import org.eclipse.swt.widgets.Text; +import org.jboss.tools.common.ui.CommonUIMessages; + +/** + * @author André Dietisheim + */ +public class DataBindingUtils { + + /** + * Binds the enabled status of the given button to the validity status of + * the given providers. If those are not provided the validation status of + * the whole context is used. + * + * @param button + * the button whose enablement is bound + * @param validationStatusProviders + * the providers that shall toggle the button enablement + * @param dbc + * the data binding context to use when binding + */ + public static void bindButtonEnablementToValidationStatus(final Button button, + IObservableCollection validationStatusProviders, DataBindingContext dbc) { + dbc.bindValue( + WidgetProperties.enabled().observe(button), + createAggregateValidationStatus(validationStatusProviders, dbc), + new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER), + new UpdateValueStrategy().setConverter(new Status2BooleanConverter(IStatus.ERROR))); + } + + /** + * Creates an aggregated validation status for the given providers and + * databinding context. If no providers are given the whole context is used + * a provider. + * + * @param validationStatusProviders + * to use + * @param dbc + * the data binding context to use + * @return + */ + protected static AggregateValidationStatus createAggregateValidationStatus( + IObservableCollection validationStatusProviders, DataBindingContext dbc) { + AggregateValidationStatus aggregatedValidationStatus; + if (validationStatusProviders == null) { + aggregatedValidationStatus = new AggregateValidationStatus(dbc, AggregateValidationStatus.MAX_SEVERITY); + } else { + aggregatedValidationStatus = new AggregateValidationStatus( + validationStatusProviders, AggregateValidationStatus.MAX_SEVERITY); + } + return aggregatedValidationStatus; + } + + /** + * Returns an observable collection for a given array of observable values. + * + * @param observableValue + * the array of observable values + * @return an observable collection + */ + public static IObservableCollection toObservableCollection(IObservableValue... observableValues) { + WritableList observableCollection = new WritableList(); + for (IObservableValue observableValue : observableValues) { + observableCollection.add(observableValue); + } + return observableCollection; + } + + /** + * Binds the given text field with the given name to the given model + * property. A validator, that wont validate if there's no content in the + * text field is attached. + * + * @param text + * the text field to bind + * @param fieldName + * the name of the text field + * @param modelProperty + * the property of the model to bind to + * @param model + * the model to bind to + * @param dbc + * the data binding context to use + * @return + */ + public static Binding bindMandatoryTextField(Text text, String fieldName, String modelProperty, + Object model, DataBindingContext dbc) { + Binding binding = dbc.bindValue( + WidgetProperties.text(SWT.Modify).observe(text), + BeanProperties.value(modelProperty).observe(model), + new UpdateValueStrategy().setAfterGetValidator( + new MandatoryStringValidator(NLS.bind( + CommonUIMessages.MANDATORYSTRING_VALIDATOR_MUST_PROVIDE_VALUE, fieldName))), + null); + ControlDecorationSupport.create(binding, SWT.LEFT | SWT.TOP); + return binding; + } + +} Property changes on: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/databinding/DataBindingUtils.java ___________________________________________________________________ Added: svn:mime-type + text/plain Modified: trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/messages.properties =================================================================== --- trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/messages.properties 2011-10-03 15:04:57 UTC (rev 35284) +++ trunk/common/plugins/org.jboss.tools.common.ui/src/org/jboss/tools/common/ui/messages.properties 2011-10-03 15:37:04 UTC (rev 35285) @@ -30,4 +30,5 @@ BROWSER_COULD_NOT_OPEN_BROWSER=Could not open browser for url \"{0}\". BROWSER_COULD_NOT_DISPLAY_MALFORMED_URL=Could not display malformed url \"{0}\". -URLSTRINGVALIDATOR_NOT_A_VALID_URL=\"{0}\" is not a valid url. \ No newline at end of file +URLSTRINGVALIDATOR_NOT_A_VALID_URL=\"{0}\" is not a valid url. +MANDATORYSTRING_VALIDATOR_MUST_PROVIDE_VALUE=You have to provide a value for the {0}. \ No newline at end of file