FileEditor.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package  org.turro.zkoss.text;
 
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.amic.util.file.FileUtil;
import org.turro.command.Command;
import org.turro.command.Context;
import org.turro.elephant.context.ElephantContext;
import org.turro.i18n.I_;
import org.turro.menu.ElephantMenu;
import org.turro.zkoss.dialog.InputDialog;
import org.turro.zkoss.dialog.InputField;
import org.zkoss.lang.Strings;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zul.Textbox;
 
public class FileEditor extends Textbox implements AfterCompose {
 
  public static void editFile(File file) {
    ElephantMenu.showEntity(
            file, "fileToEdit",
            "@Editor: " + file.getName(),
            "/www/editor.zul");
  }
 
  protected File file;
  protected String encoding = null;
 
  public String getEncoding() {
    return encoding;
  }
 
  public void setEncoding(String encoding) {
    this.encoding = encoding;
  }
 
  public File getFile() {
    return file;
  }
 
  public void setFile(File file) {
    this.file = file;
  }
 
  public void save() {
    try {
      FileUtil.setContent(file, getText(), Strings.isBlank(encoding) ? ElephantContext.getEncoding() : encoding);
    } catch (IOException ex) {
      Logger.getLogger(FileEditor.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
 
  public void saveAs() throws IOException {
    InputDialog.getInput(
            getPage(),
            I_.get("Save as"),
            new InputField[] {
              new InputField("Name", getFile().getName(), null, 0)
            }, new Command() {
      @Override
      public Object execute(Context context) {
        InputField[] fields = (InputField[]) context.get("fields");
        if(fields.length > 0) {
          for(InputField f : fields) {
            if("Name".equals(f.getLabel())) {
              String path = FileUtil.getParentPath(file.getAbsolutePath());
              if(path != null) {
                file = new File(path + "/" + f.getValue());
                save();
              }
            }
          }
        }
        return null;
      }
    });
  }
  
  @Override
  public void afterCompose() {
    try {
      if(file != null) {
        setValue(FileUtil.getContent(file, Strings.isBlank(encoding) ? ElephantContext.getEncoding() : encoding));
      }
    } catch (IOException ex) {
      Logger.getLogger(FileEditor.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
 
}