gecko-dev/toolkit/content/finddialog.js

# -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is Mozilla Communicator client code, released March
# 31, 1998.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Alec Flett       <alecf@netscape.com>
#                 Bill Law         <law@netscape.com>
#                 Blake Ross       <blakeross@telocity.com>
#                 Dean Tessman     <dean_tessman@hotmail.com>
#                 Matt Fisher      <matt@netscape.com>
#                 Simon Fraser     <sfraser@netscape.com>
#                 Stuart Parmenter <pavlov@netscape.com>

var dialog;     // Quick access to document/form elements.
var gFindInst;   // nsIWebBrowserFind that we're going to use
var gFindInstData; // use this to update the find inst data

function initDialogObject()
{
  // Create dialog object and initialize.
  dialog = new Object;
  dialog.findKey         = document.getElementById("dialog.findKey");
  dialog.caseSensitive   = document.getElementById("dialog.caseSensitive");
  dialog.wrap            = document.getElementById("dialog.wrap");
  dialog.find            = document.getElementById("btnFind");
  dialog.up              = document.getElementById("radioUp");
  dialog.down            = document.getElementById("radioDown");
  dialog.rg              = dialog.up.radioGroup;
  dialog.bundle          = null;

  // Move dialog to center, if it not been shown before
  var windowElement = document.getElementById("findDialog");
  if (!windowElement.hasAttribute("screenX") || !windowElement.hasAttribute("screenY"))
  {
    sizeToContent();
    moveToAlertPosition();
  }
}

function fillDialog()
{
  // get the find service, which stores global find state
  var findService = Components.classes["@mozilla.org/find/find_service;1"]
                              .getService(Components.interfaces.nsIFindService);
  
  // Set initial dialog field contents. Use the gFindInst attributes first,
  // this is necessary for window.find()
  dialog.findKey.value           = gFindInst.searchString ? gFindInst.searchString : findService.searchString;
  dialog.caseSensitive.checked   = gFindInst.matchCase ? gFindInst.matchCase : findService.matchCase;
  // Don't initialize Wrap here, we just want it to be checked. 
  var findBackwards              = gFindInst.findBackwards ? gFindInst.findBackwards : findService.findBackwards;
  if (findBackwards)
    dialog.rg.selectedItem = dialog.up;
  else
    dialog.rg.selectedItem = dialog.down;
}

function saveFindData()
{
  // get the find service, which stores global find state
  var findService = Components.classes["@mozilla.org/find/find_service;1"]
                         .getService(Components.interfaces.nsIFindService);

  // Set data attributes per user input.
  findService.searchString  = dialog.findKey.value;
  findService.matchCase     = dialog.caseSensitive.checked;
  findService.wrapFind      = dialog.wrap.checked;
  findService.findBackwards = dialog.up.selected;
}

function onLoad()
{
  initDialogObject();

  // get the find instance
  var arg0 = window.arguments[0];                                               
  if (arg0 instanceof window.opener.nsFindInstData) {
    gFindInstData = arg0;                                                       
    gFindInst = gFindInstData.webBrowserFind;                                   
  } else {                                                                      
    // If the dialog was opened from window.find(), findInst will be an         
    // nsISupports interface, so QueryInterface anyway to nsIWebBrowserFind.    
    gFindInst = arg0.QueryInterface(Components.interfaces.nsIWebBrowserFind);   
  }                                                                             

  fillDialog();
  doEnabling();

  if (dialog.findKey.value)
    dialog.findKey.select();
  dialog.findKey.focus();
}

function onUnload()
{
  window.opener.findDialog = 0;
}

function onAccept()
{
  if (gFindInstData && gFindInst != gFindInstData.webBrowserFind) {
    gFindInstData.init();             
    gFindInst = gFindInstData.webBrowserFind;
  }

  // Transfer dialog contents to the find service.
  saveFindData();

  // set up the find instance
  gFindInst.searchString  = dialog.findKey.value;
  gFindInst.matchCase     = dialog.caseSensitive.checked;
  gFindInst.wrapFind      = dialog.wrap.checked;
  gFindInst.findBackwards = dialog.up.selected;
  
  // Search.
  var result = gFindInst.findNext();

  if (!result)
  {
    if (!dialog.bundle)
      dialog.bundle = document.getElementById("findBundle");
    window.alert(dialog.bundle.getString("notFoundWarning"));
    dialog.findKey.select();
    dialog.findKey.focus();
  } 
  return false;
}

function doEnabling()
{
  dialog.find.disabled = !dialog.findKey.value;
}