Package org.rstudio.studio.client.workbench.views.edit.ui

Source Code of org.rstudio.studio.client.workbench.views.edit.ui.EditDialog

/*
* EditDialog.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.studio.client.workbench.views.edit.ui;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;
import org.rstudio.core.client.Size;
import org.rstudio.core.client.dom.DomMetrics;
import org.rstudio.core.client.widget.*;
import org.rstudio.studio.client.common.filetypes.FileTypeRegistry;
import org.rstudio.studio.client.workbench.views.source.editors.text.AceEditor;

public class EditDialog extends ModalDialogBase
{
   public EditDialog(String text,
                     boolean isRCode,
                     boolean lineWrapping,
                     final ProgressOperationWithInput<String> operation)
   {
      this("Edit",
           "Save",
           text,
           isRCode,
           lineWrapping,
           new Size(0,0),
           operation);
   }
  
   public EditDialog(String caption,
                     String saveCaption,
                     String text,
                     boolean isRCode,
                     boolean lineWrapping,
                     Size minimumSize,
                     final ProgressOperationWithInput<String> operation)
   {
      editor_ = new AceEditor();
      setText(caption);
      sourceText_ = text;
      isRCode_ = isRCode;
      lineWrapping_ = lineWrapping;
      minimumSize_ = minimumSize;

      final ProgressIndicator progressIndicator = addProgressIndicator();

      ThemedButton saveButton = new ThemedButton(saveCaption,
                                                 new ClickHandler() {
         public void onClick(ClickEvent event)
         {
            operation.execute(editor_.getCode(), progressIndicator);
         }
      });
      addButton(saveButton);

      ThemedButton cancelButton = new ThemedButton("Cancel", new ClickHandler() {
         public void onClick(ClickEvent event)
         {
            operation.execute(null, progressIndicator);
         }
      });
      addCancelButton(cancelButton);

      setButtonAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
   }

   @Override
   protected Widget createMainWidget()
   {
      // create widget and set size
      Widget editWidget = editor_.getWidget();
      Size size = DomMetrics.adjustedCodeElementSize(sourceText_, 25, 100);
      if (!minimumSize_.isEmpty())
      {
         size = new Size(Math.max(size.width, minimumSize_.width),
                         Math.max(size.height, minimumSize_.height));
      }
      editWidget.setSize(size.width + "px", size.height + "px");

      editor_.setCode(sourceText_, false);
      if (isRCode_)
      {
         // NOTE: line wrapping is ignored for R code since it has its
         // own localized setting for enabled/disable of line wrapping
        
         editor_.setFileType(FileTypeRegistry.R);
        
         setEscapeDisabled(true);
      }
      else
      {
         editor_.setUseWrapMode(lineWrapping_);
         editor_.setShowLineNumbers(false);
      }
     
      // return the widget
      SimplePanel panel = new SimplePanel();
      panel.addStyleName("EditDialog");
      panel.setSize(size.width + "px", size.height + "px");
      panel.setWidget(editWidget);
      return panel;
   }
  
   @Override
   protected void onDialogShown()
   {
      editor_.focus();
   }

   private final String sourceText_ ;
   private final boolean isRCode_;
   private final boolean lineWrapping_;
   private final AceEditor editor_ ;
   private Size minimumSize_;
}
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