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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (C) Alkacon Software (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * For further information about Alkacon Software, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.gwt.client.property.definition;

import org.opencms.gwt.client.CmsCoreProvider;
import org.opencms.gwt.client.rpc.CmsRpcAction;
import org.opencms.gwt.client.ui.CmsPopup;
import org.opencms.gwt.client.ui.CmsPushButton;
import org.opencms.gwt.client.ui.css.I_CmsInputLayoutBundle;
import org.opencms.gwt.client.ui.input.CmsTextBox;
import org.opencms.util.CmsStringUtil;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.KeyPressEvent;
import com.google.gwt.event.dom.client.KeyPressHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Widget for defining new properties.

*/ public class CmsPropertyDefinitionView extends Composite { /** The UiBinder interface for this class. */ interface I_CmsPropertyDefinitionViewUiBinder extends UiBinder { // empty } /** The max allowed property name length. */ private static final int MAX_PROPERTY_NAME_LENGTH = 128; /** The UiBinder instance for this widget. */ private static I_CmsPropertyDefinitionViewUiBinder uiBinder = GWT.create(I_CmsPropertyDefinitionViewUiBinder.class); /** The Cancel button. */ @UiField CmsPushButton m_cancelButton; /** The panel displaying the existing properties.

*/ @UiField Panel m_existingProperties; /** The set of existing properties. */ Set m_existingPropertyNames = new HashSet(); /** The OK button. */ @UiField CmsPushButton m_okButton; /** The popup containing this widget. */ CmsPopup m_popup; /** The input field for the property name. */ @UiField CmsTextBox m_propertyNameField; /** * Creates a new instance.

* * @param existingProperties the names of already existing properties */ public CmsPropertyDefinitionView(Collection existingProperties) { initWidget(uiBinder.createAndBindUi(this)); addStyleName(I_CmsInputLayoutBundle.INSTANCE.inputCss().highTextBoxes()); for (String existingProperty : existingProperties) { m_existingProperties.add(new Label(existingProperty)); m_existingPropertyNames.add(existingProperty); } m_propertyNameField.addKeyPressHandler(new KeyPressHandler() { public void onKeyPress(KeyPressEvent event) { int code = event.getNativeEvent().getKeyCode(); if (code == 13) { onClickOk(null); } } }); m_propertyNameField.getTextBox().setMaxLength(MAX_PROPERTY_NAME_LENGTH); } /** * Closes the popup if possible.

*/ public void closePopup() { if (m_popup != null) { m_popup.hide(); m_popup = null; } } /** * Gets the cancel button.

* * @return the cancel button */ public CmsPushButton getCancelButton() { return m_cancelButton; } /** * Gets the OK button.

* * @return the OK button */ public CmsPushButton getOkButton() { return m_okButton; } /** * Sets the popup which contains this widget.

* * @param popup the popup */ public void setPopup(CmsPopup popup) { m_popup = popup; } /** * Button handler for the cancel button.

* * @param e the click event */ @UiHandler("m_cancelButton") void onClickCancel(ClickEvent e) { closePopup(); } /** * Button handler for the OK button.

* * @param e the click event */ @UiHandler("m_okButton") void onClickOk(ClickEvent e) { String propName = m_propertyNameField.getFormValueAsString(); if (CmsStringUtil.isEmptyOrWhitespaceOnly(propName)) { m_propertyNameField.setErrorMessage(CmsPropertyDefinitionMessages.messageEmpty()); return; } String normalizedName = propName.trim(); if (!isValidName(normalizedName)) { m_propertyNameField.setErrorMessage(CmsPropertyDefinitionMessages.messageInvalidName()); return; } if (m_existingPropertyNames.contains(normalizedName)) { m_propertyNameField.setErrorMessage(CmsPropertyDefinitionMessages.alreadyExists()); return; } savePropertyDefinitionAndQuit(normalizedName); } /** * Checks whether the property name is valid.

* * @param normalizedName the property name to check * * @return true if the name is valid */ private boolean isValidName(String normalizedName) { return normalizedName.matches("^[a-zA-Z0-9_\\-\\.~\\$]+$"); } /** * Saves the property definition and closes the dialog.

* * @param normalizedName the property name */ private void savePropertyDefinitionAndQuit(final String normalizedName) { CmsRpcAction action = new CmsRpcAction() { @Override public void execute() { start(200, true); CmsCoreProvider.getVfsService().createPropertyDefinition(normalizedName, this); } @Override protected void onResponse(Void result) { stop(false); closePopup(); } }; action.execute(); } }





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