| /******************************************************************************* |
| * Copyright (c) 2001, 2009 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsd.ui.internal.common.properties.sections; |
| |
| import org.eclipse.swt.custom.CCombo; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.wst.xsd.ui.internal.common.commands.UpdateMaxOccursCommand; |
| import org.eclipse.wst.xsd.ui.internal.common.commands.UpdateMinOccursCommand; |
| import org.eclipse.wst.xsd.ui.internal.common.util.Messages; |
| import org.eclipse.xsd.XSDConcreteComponent; |
| import org.eclipse.xsd.XSDParticle; |
| import org.eclipse.xsd.XSDParticleContent; |
| import org.eclipse.xsd.util.XSDConstants; |
| import org.w3c.dom.Element; |
| |
| |
| public class MultiplicitySection extends RefactoringSection |
| { |
| protected CCombo minCombo, maxCombo; |
| |
| public MultiplicitySection() |
| { |
| super(); |
| } |
| |
| protected void createContents(Composite parent) |
| { |
| } |
| |
| |
| public void doHandleEvent(Event event) |
| { |
| if (event.widget == minCombo) |
| { |
| updateMinAttribute(); |
| } |
| else if (event.widget == maxCombo) |
| { |
| updateMaxAttribute(); |
| } |
| } |
| |
| public void doWidgetSelected(SelectionEvent e) |
| { |
| if (e.widget == minCombo) |
| { |
| updateMinAttribute(); |
| } |
| else if (e.widget == maxCombo) |
| { |
| updateMaxAttribute(); |
| } |
| super.doWidgetSelected(e); |
| } |
| |
| protected void updateMaxAttribute() |
| { |
| setErrorMessage(null); |
| XSDParticle particle = null; |
| |
| if (input instanceof XSDParticleContent) |
| { |
| particle = getAssociatedParticle((XSDParticleContent) input); |
| } |
| if (particle != null) |
| { |
| String newValue = maxCombo.getText().trim(); |
| |
| if (newValue.length() == 0) |
| { |
| particle.unsetMaxOccurs(); |
| return; |
| } |
| try |
| { |
| int newMax = 1; |
| if (newValue.equals("unbounded") || newValue.equals("*")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| newMax = XSDParticle.UNBOUNDED; |
| } |
| else |
| { |
| if (newValue.length() > 0) |
| { |
| newMax = Integer.parseInt(newValue); |
| } |
| } |
| setListenerEnabled(false); |
| UpdateMaxOccursCommand command = new UpdateMaxOccursCommand(Messages._UI_ACTION_CHANGE_MAXIMUM_OCCURRENCE, particle, newMax); |
| getCommandStack().execute(command); |
| setListenerEnabled(true); |
| |
| } |
| catch (NumberFormatException e) |
| { |
| setErrorMessage(Messages._UI_ERROR_INVALID_VALUE_FOR_MAXIMUM_OCCURRENCE); |
| } |
| } |
| } |
| |
| protected void updateMinAttribute() |
| { |
| setErrorMessage(null); |
| XSDParticle particle = null; |
| |
| if (input instanceof XSDParticleContent) |
| { |
| particle = getAssociatedParticle((XSDParticleContent) input); |
| } |
| if (particle != null) |
| { |
| String newValue = minCombo.getText(); |
| if (newValue.length() == 0) |
| { |
| particle.unsetMinOccurs(); |
| } |
| try |
| { |
| int newMin = 1; |
| if (newValue.equals("unbounded") || newValue.equals("*")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| newMin = XSDParticle.UNBOUNDED; |
| } |
| else |
| { |
| newMin = Integer.parseInt(newValue); |
| } |
| UpdateMinOccursCommand command = new UpdateMinOccursCommand(Messages._UI_ACTION_CHANGE_MINIMUM_OCCURRENCE, particle, newMin); |
| getCommandStack().execute(command); |
| } |
| catch (NumberFormatException e) |
| { |
| |
| } |
| } |
| } |
| |
| protected void refreshMinMax() |
| { |
| boolean refreshMinText = true; |
| boolean refreshMaxText = true; |
| if (minCombo.isFocusControl()) |
| { |
| refreshMinText = false; |
| } |
| if (maxCombo.isFocusControl()) |
| { |
| refreshMaxText = false; |
| } |
| if (refreshMinText) |
| { |
| minCombo.setText(""); //$NON-NLS-1$ |
| } |
| if (refreshMaxText) |
| { |
| maxCombo.setText(""); //$NON-NLS-1$ |
| } |
| |
| if (input != null) |
| { |
| if (input instanceof XSDParticleContent) |
| { |
| XSDParticle particle = getAssociatedParticle((XSDParticleContent) input); |
| if (particle != null) |
| { |
| // minText.setText(String.valueOf(particle.getMinOccurs())); |
| // maxText.setText(String.valueOf(particle.getMaxOccurs())); |
| Element element = particle.getElement(); |
| if (element != null) |
| { |
| if (element.hasAttribute(XSDConstants.MINOCCURS_ATTRIBUTE) && refreshMinText) |
| { |
| String min = element.getAttribute(XSDConstants.MINOCCURS_ATTRIBUTE); |
| minCombo.setText(min); |
| } |
| if (element.hasAttribute(XSDConstants.MAXOCCURS_ATTRIBUTE) && refreshMaxText) |
| { |
| String max = element.getAttribute(XSDConstants.MAXOCCURS_ATTRIBUTE); |
| maxCombo.setText(max); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| protected XSDParticle getAssociatedParticle(XSDParticleContent particleContent) |
| { |
| XSDConcreteComponent xsdComp = particleContent.getContainer(); |
| if (xsdComp instanceof XSDParticle) |
| { |
| return (XSDParticle) xsdComp; |
| } |
| return null; |
| } |
| |
| public void dispose() |
| { |
| if (minCombo != null && !minCombo.isDisposed()) |
| removeListeners(minCombo); |
| if (maxCombo != null && !maxCombo.isDisposed()) |
| removeListeners(maxCombo); |
| super.dispose(); |
| } |
| |
| } |