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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.ui.rename;

import org.opencms.gwt.client.CmsCoreProvider;
import org.opencms.gwt.client.rpc.CmsRpcAction;
import org.opencms.gwt.client.ui.CmsListItemWidget;
import org.opencms.gwt.client.ui.CmsPopup;
import org.opencms.gwt.client.ui.CmsPushButton;
import org.opencms.gwt.client.ui.input.CmsTextBox;
import org.opencms.gwt.shared.CmsRenameInfoBean;
import org.opencms.util.CmsUUID;

import java.util.ArrayList;
import java.util.List;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.KeyCodes;
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.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HasText;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.Widget;

/**
 * The dialog contents of the 'Rename' dialog.

*/ public class CmsRenameView extends Composite { /** The UiBinder interface for this widget. */ interface I_CmsRenameViewUiBinder extends UiBinder { // empy UiBinder interface } /** An enum representing the widget state. */ enum State { /** The validation has just failed. */ validationFailed, /** The validation was triggered but hasn't finished yet. */ validationRunning, /** The validation status is unknown. */ validationUnknown } /** The UiBinder instance for this widget. */ private static I_CmsRenameViewUiBinder uiBinder = GWT.create(I_CmsRenameViewUiBinder.class); /** The Cancel button. */ @UiField protected CmsPushButton m_cancelButton; /** The container for the resource info box. */ @UiField protected Panel m_infoBoxContainer; /** The input field for the new name. */ @UiField protected CmsTextBox m_newNameInput; /** The label for the input box. */ @UiField protected HasText m_newNameLabel; /** The OK button. */ @UiField protected CmsPushButton m_okButton; /** The label for the old name. */ @UiField protected HasText m_oldNameLabel; /** The label containing the old name. */ @UiField protected HasText m_oldNameValue; /** The callback which is invoked when the resource has been renamed successfully. */ AsyncCallback m_renameCallback; /** The widget state. */ State m_state; /** The structure id of the resource which is being renamed. **/ CmsUUID m_structureId; /** The dialog which contains this view. */ private CmsPopup m_dialog; /** * Creates a new instance.

* * @param renameInfo the information for the resource which is being renamed * @param renameCallback the callback which should be called when the resource has been successfully renamed */ public CmsRenameView(CmsRenameInfoBean renameInfo, AsyncCallback renameCallback) { m_structureId = renameInfo.getStructureId(); m_renameCallback = renameCallback; String sitePath = renameInfo.getSitePath().replaceFirst("/$", ""); String oldName = sitePath.substring(1 + sitePath.lastIndexOf('/')); initWidget(uiBinder.createAndBindUi(this)); m_oldNameLabel.setText(CmsRenameMessages.messageOldNameLabel()); m_newNameLabel.setText(CmsRenameMessages.messageNewNameLabel()); m_okButton.setText(CmsRenameMessages.messageOk()); m_okButton.setUseMinWidth(true); m_cancelButton.setText(CmsRenameMessages.messageCancel()); m_cancelButton.setUseMinWidth(true); m_oldNameValue.setText(oldName); CmsListItemWidget listItemWidget = new CmsListItemWidget(renameInfo.getListInfo()); m_infoBoxContainer.add(listItemWidget); m_newNameInput.addKeyPressHandler(new KeyPressHandler() { public void onKeyPress(KeyPressEvent event) { if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ENTER) { onClickOk(null); } else if (m_state == State.validationFailed) { changeState(State.validationUnknown); } } }); } /** * Gets the buttons which should be inserted into the parent dialog.

* * @return the list of buttons for the parent dialog */ public List getDialogButtons() { List result = new ArrayList(); result.add(m_cancelButton); result.add(m_okButton); return result; } /** * Sets the dialog in which this view is contained.

* * @param popup the dialog containing this view */ public void setDialog(CmsPopup popup) { m_dialog = popup; } /** * Event handler for the Cancel button.

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

* * @param e the click event */ @UiHandler("m_okButton") protected void onClickOk(ClickEvent e) { changeState(State.validationRunning); final String newName = getValue(); CmsRpcAction validate = new CmsRpcAction() { @Override public void execute() { start(200, false); CmsCoreProvider.getVfsService().renameResource(m_structureId, newName, this); } @Override public void onFailure(Throwable t) { super.onFailure(t); changeState(State.validationUnknown); } @Override protected void onResponse(String result) { stop(false); if (result == null) { close(); if (m_renameCallback != null) { m_renameCallback.onSuccess(newName); } } else { changeState(State.validationFailed); setValidationError(result); } } }; validate.execute(); } /** * Changes the state of the widget.

* * @param state the state to change to */ void changeState(State state) { m_state = state; switch (state) { case validationRunning: m_cancelButton.setEnabled(false); m_okButton.setEnabled(false); clearValidationError(); break; case validationFailed: m_okButton.setEnabled(false); m_cancelButton.setEnabled(true); break; case validationUnknown: default: m_cancelButton.setEnabled(true); m_okButton.setEnabled(true); clearValidationError(); break; } } /** * Closes the dialog containing this widget.

*/ void close() { m_dialog.hide(); } /** * Gets the new name entered by the user.

* * @return the new name */ String getValue() { return m_newNameInput.getText(); } /** * Sets the validation error in the widget.

* * @param error the validation error message */ void setValidationError(String error) { m_newNameInput.setErrorMessage(error); } /** * Clears the validation error message.

*/ private void clearValidationError() { m_newNameInput.setErrorMessage(null); } }





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