HTMLForm.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.html;
 
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.context.IElement;
 
public class HTMLForm extends HTMLComponent {
  
  public HTMLForm(IElement iel) throws IOException {
    super(iel);
  }
  
  public void startForm(String id, String method, String actionElement) {
    startForm(id, method, actionElement, "class='htmlform'");
  }
  
  public void startForm(String id, String method, String actionElement, String attributes) {
    String formAction = ElephantContext.getRootWebPath() +
            "/xpaction/" + actionElement;
    write("<form id='" + id + "' action='" + formAction + "' method='" + method + "' " + attributes + ">");
    createHiddenElement();
  }
  
  public void startMultipartForm(String id, String method, String actionElement) {
    String formAction = ElephantContext.getRootWebPath() +
            "/xpaction/" + actionElement;
    write("<form id='" + id + "' action='" + formAction + "' method='" + method + "' enctype='multipart/form-data' class='htmlform'>");
    createHiddenElement();
  }
  
  public void endForm() {
    writeln("</form>");
  }
  
  public void command(String command, String value, String style) {
    doTag("input", new String[] {
      "type='submit'",
      "class='hf_command'",
      "name='action_" + command + "'",
      "style='" + style + "'",
      "value=\"" + value + "\""
    });
  }
  
  public void command(String command, String value, String style, String onClick) {
    doTag("input", new String[] {
      "type='submit'",
      "class='hf_command'",
      "name='action_" + command + "'",
      "style='" + style + "'",
      "onclick=\"javascript:" + onClick + "\"",
      "value=\"" + value + "\""
    });
  }
  
  public void clientCommand(String command, String value, String style) {
    doTag("input", new String[] {
      "type='button'",
      "class='hf_command'",
      "onclick='javascript:" + command + "'",
      "style='" + style + "'",
      "value=\"" + value + "\""
    });
  }
  
  public void inPlaceTextInput(String idShow, String id, String value, String style) {
    doTag("img",
            new String[] {
              "onclick='showEdit" + id + "(this)'",
              "alt='Edit'",
              "src='" + ElephantContext.getRootWebPath() + "/_internal/system/images/inplaceedit.gif'",
              "style='cursor:pointer'"
            });
    textInput(id, value, style + ";display:none");
    startJavaScript();
    write(
      "function showEdit" + id + "(el) {" +
        "el.hide();" +
        "$('" + idShow + "').hide();" +
        "$('" + id + "').show();" +
      "}"
    );
    endJavaScript();
  }
  
  public void textInput(String id, String value, String style) {
    if(value == null) value = "";
    write("<input type='text' name='" + id + "' id='" + id + "' value='" + value + "' style='" + style + "' class='hf_input'/>");
  }
  
  public void passwordInput(String id, String value, String style) {
    if(value == null) value = "";
    write("<input type='password' name='" + id + "' id='" + id + "' value='" + value + "' style='" + style + "' class='hf_input'/>");
  }
  
  public void checkBox(String id, String value, String style, boolean checked) {
    if(value == null) value = "";
    write("<input type='checkbox' name='" + id + "' id='" + id + "' value='" + value + "' style='" + style + "' class='hf_check'" + (checked ? " checked" : "") + "/>");
  }
  
  public void inPlaceTextArea(String idShow, String id, String value, String style) {
    doTag("img",
            new String[] {
              "onclick='showEdit" + id + "(this)'",
              "alt='Edit'",
              "src='" + ElephantContext.getRootWebPath() + "/_internal/system/images/inplaceedit.gif'",
              "style='cursor:pointer'"
            });
    textArea(id, value, style + ";display:none");
    startJavaScript();
    write(
      "function showEdit" + id + "(el) {" +
        "el.hide();" +
        "$('" + idShow + "').hide();" +
        "$('" + id + "').show();" +
      "}"
    );
    endJavaScript();
  }
  
  public void textArea(String id, String value, String style) {
    if(value == null) value = "";
    write("<textarea name='" + id + "' id='" + id + "' style='" + style + "' class='hf_editor'>" + value + "</textarea>");
  }
  
  public void selectList(String id, String value, Map options, String style) {
    write("<select name='" + id + "' id='" + id + "' style='" + style + "' class='hf_select'>");
    Iterator it = options.keySet().iterator();
    String key;
    while(it.hasNext()) {
      key = (String)it.next();
      write("<option value='" + key + "'");
      if(key.equals(value)) {
        write(" selected");
      }
      write(">");
      write((String)options.get(key));
      write("</option>");
    }
    write("</select>");   
  }
  
  public void hidden(String id, String value) {
    write("<input type='hidden' name='" + id + "' value='" + value + "'/>");
  }
  
  public void inPlaceAutocompleter(String idShow, String id, String value, String style, String actionElement, String action, String extraParam, String tokenizer) {
    doTag("img",
            new String[] {
              "onclick='showEdit" + id + "(this)'",
              "alt='Edit'",
              "src='" + ElephantContext.getRootWebPath() + "/_internal/system/images/inplaceedit.gif'",
              "style='cursor:pointer'"
            });
    autocompleter(id, value, style + ";display:none", actionElement, action, extraParam, tokenizer);
    startJavaScript();
    write(
      "function showEdit" + id + "(el) {" +
        "el.hide();" +
        (idShow != null ? "$('" + idShow + "').hide();" : "") +
        "$('" + id + "').show();" +
      "}"
    );
    endJavaScript();
  }
  
  public void autocompleter(String id, String value, String style, String actionElement, String action, String extraParam, String tokenizer) {
    String formAction = ElephantContext.getRootWebPath() +
            "/xpaction/" + actionElement +
            "?action=" + action +
            "&context=" + iel.getContext().getPath() +
            "&idel=" + iel.getId() +
            "&field=" + id +
            extraParam;
    if(value == null) value = "";
    write("<input type='text' id='" + id + "' name='" + id + "' value='" + value + "' style='" + style + "' class='hf_autocompleter'/>");
    String idList = "ac_" + id;
    startTag("div", new String[] { "id='" + idList + "'", "class='autolist'" });
    endTag();
    startJavaScript();
    write(
      "new Ajax.Autocompleter(\n" +
        "\"" + id + "\", \"" + idList + "\"," +
        "\"" + formAction + "\"" +
        (tokenizer != null ? ", {tokens:\"" + tokenizer + "\"}" : "") +
      ");"
    );
    endJavaScript();
  }
  
  public void fileUpload(String id, String style) {
    write("<input type='file' name='" + id + "' style='" + style + "' class='hf_upload'/>");
  }
  
  private void createHiddenElement() {
    hidden("context", iel.getContext().getPath());
    hidden("idel", (iel.getId() == null ? "" : iel.getId()));
  }
}