content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://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: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://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.input;
  
  import org.opencms.gwt.client.CmsCoreProvider;
  import org.opencms.gwt.client.I_CmsHasInit;
  import org.opencms.gwt.client.Messages;
  import org.opencms.gwt.client.ui.CmsPushButton;
  import org.opencms.gwt.client.ui.I_CmsAutoHider;
  import org.opencms.gwt.client.ui.I_CmsButton.Size;
  import org.opencms.gwt.client.ui.input.form.CmsWidgetFactoryRegistry;
  import org.opencms.gwt.client.ui.input.form.I_CmsFormWidgetFactory;
  
  import java.util.Map;
  
  import com.google.common.base.Optional;
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.dom.client.ClickHandler;
  import com.google.gwt.event.logical.shared.ValueChangeHandler;
  import com.google.gwt.user.client.ui.Composite;
  import com.google.gwt.user.client.ui.FlowPanel;
  
  /**
   * The vfs-link widget.<p>
   *
   * @since 8.0.0
   */
  public class CmsVfsLinkWidget extends Composite implements I_CmsFormWidget, I_CmsHasInit, I_CmsHasGhostValue {
  
      /** The widget type. */
      public static final String WIDGET_TYPE = "vfslink";
  
      /** The browse button. */
      protected CmsPushButton m_browseButton;
  
      /** The textbox containing the currently selected path. */
      protected CmsTextBox m_textbox;
  
      /** The vfs-selector popup. */
      //protected CmsVfsSelector m_vfsSelector;
  
      /** The widget panel. */
      private FlowPanel m_main;
  
      /**
       * Constructor.<p>
       */
      public CmsVfsLinkWidget() {
  
          m_main = new FlowPanel();
          initWidget(m_main);
  
          m_textbox = new CmsTextBox();
          m_main.add(m_textbox);
          m_browseButton = new CmsPushButton();
          m_browseButton.setText(Messages.get().key(Messages.GUI_BROWSE_0));
          m_browseButton.setTitle(Messages.get().key(Messages.GUI_BROWSE_0));
          m_browseButton.addClickHandler(new ClickHandler() {
  
              public void onClick(ClickEvent event) {
  
                  openSelector(getSelectorUrl());
              }
          });
  
          /*m_textbox.addFocusHandler(new FocusHandler() {
  
              public void onFocus(FocusEvent arg0) {
  
                  openSelector(getSelectorUrl());
              }
          });*/
          m_main.add(m_browseButton);
      }
  
      /**
       * Initializes this class.<p>
       */
      public static void initClass() {
  
          // registers a factory for creating new instances of this widget
          CmsWidgetFactoryRegistry.instance().registerFactory(WIDGET_TYPE, new I_CmsFormWidgetFactory() {
  
              /**
               * @see org.opencms.gwt.client.ui.input.form.I_CmsFormWidgetFactory#createWidget(java.util.Map, com.google.common.base.Optional)
               */
              public I_CmsFormWidget createWidget(Map<String, String> widgetParams, Optional<String> defaultValue) {
  
                  return new CmsVfsLinkWidget();
              }
          });
      }
  
      /**
       * Adds a style-name to the browse button.<p>
       *
       * @param styleName the style name
       */
      public void addButtonStyle(String styleName) {
  
          m_browseButton.addStyleName(styleName);
      }
  
      /**
       * Adds a style-name to the input text-box.<p>
       *
       * @param styleName the style name
       */
      public void addInputStyleName(String styleName) {
  
          m_textbox.addStyleName(styleName);
      }
  
      /**
       * Adds a value change handler.<p>
       *
       * @param handler the handler to add
       */
      public void addValueChangeHandler(ValueChangeHandler<String> handler) {
  
          m_textbox.addValueChangeHandler(handler);
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#getApparentValue()
       */
      public String getApparentValue() {
  
          return getFormValueAsString();
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#getFieldType()
       */
      public FieldType getFieldType() {
  
          return FieldType.STRING;
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#getFormValue()
       */
      public Object getFormValue() {
  
          return m_textbox.getFormValue();
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#getFormValueAsString()
       */
      public String getFormValueAsString() {
  
          return m_textbox.getFormValueAsString();
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#isEnabled()
       */
      public boolean isEnabled() {
  
          return m_textbox.isEnabled();
      }
  
      /**
       * Removes a style-name from the browse button.<p>
       *
       * @param styleName the style name
       */
      public void removeButtonStyle(String styleName) {
  
          m_browseButton.removeStyleName(styleName);
      }
  
      /**
       * Removes a style-name from the input text-box.<p>
       *
       * @param styleName the style name
       */
      public void removeInputStyle(String styleName) {
  
          m_textbox.removeStyleName(styleName);
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#reset()
       */
      public void reset() {
  
          m_textbox.reset();
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#setAutoHideParent(org.opencms.gwt.client.ui.I_CmsAutoHider)
       */
      public void setAutoHideParent(I_CmsAutoHider autoHideParent) {
  
          // do nothing
      }
  
      /**
       * Set the browse button size.<p>
       *
       * @param size the button size
       */
      public void setButtonSize(Size size) {
  
          m_browseButton.setSize(size);
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#setEnabled(boolean)
       */
      public void setEnabled(boolean enabled) {
  
          m_textbox.setEnabled(enabled);
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#setErrorMessage(java.lang.String)
       */
      public void setErrorMessage(String errorMessage) {
  
          // do nothing
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsFormWidget#setFormValueAsString(java.lang.String)
       */
      public void setFormValueAsString(String value) {
  
          m_textbox.setFormValueAsString(value);
          m_textbox.fireValueChangedEvent();
  
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsHasGhostValue#setGhostMode(boolean)
       */
      public void setGhostMode(boolean ghostMode) {
  
          m_textbox.setGhostMode(ghostMode);
      }
  
      /**
       * @see org.opencms.gwt.client.ui.input.I_CmsHasGhostValue#setGhostValue(java.lang.String, boolean)
       */
      public void setGhostValue(String value, boolean isGhostMode) {
  
          m_textbox.setGhostValue(value, isGhostMode);
      }
  
      /**
       * Returns the URL to the link selector popup.<p>
       *
       * @return the URL to the link selector popup
       */
      protected String getSelectorUrl() {
  
          StringBuffer result = new StringBuffer(128);
          result.append(CmsCoreProvider.get().link("/system/workplace/views/explorer/tree_fs.jsp"));
          result.append("?type=vfswidget&includefiles=true&showsiteselector=true&projectaware=false&treesite=");
          result.append(CmsCoreProvider.get().getSiteRoot());
          return result.toString();
      }
  
      /**
       * Opens the vfs-selector.<p>
       *
       * @param selectorUrl the URL to the link selector popup
       */
      protected native void openSelector(String selectorUrl)/*-{
          var newwin = $wnd
                  .open(
                          selectorUrl,
                          "file_selector",
                          "toolbar=no,location=no,directories=no,status=yes,menubar=0,scrollbars=yes,resizable=yes,top=150,left=660,width=300,height=450");
          if (newwin != null) {
              if (newwin.opener == null) {
                  newwin.opener = $wnd.self;
              }
          } else {
              @org.opencms.gwt.client.util.CmsDomUtil::showPopupBlockerMessage()();
              return;
          }
          newwin.focus();
          var self = this;
          $wnd.setFormValue = function(fileName) {
              self.@org.opencms.gwt.client.ui.input.CmsVfsLinkWidget::setFormValueAsString(Ljava/lang/String;)(fileName);
          }
      }-*/;
  
  }
  