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/*
  EditTools support

  Add a selector, change into true buttons, enable for all text input fields
  If enabled in preferences, the script puts the buttons into the WikiEditor Toolbar
  The special characters to insert are defined at [[MediaWiki:Edittools]].
*/
// <nowiki>
/*jshint curly:false, white:true, indent:2 */
/*global importStylesheetURI:false, jQuery:false, mediaWiki:false */

(function ($, mw) {
  "use strict";
  var EditTools, insertTags;

  mw.loader.load('//commons.wikimedia.org/?title=MediaWiki:Edittools.css&action=raw&ctype=text/css', 'text/css');
  window.EditTools = EditTools = {
    createSelector: function () {
      var $spec = $('#specialchars');
      var $sb = $('#specialchars p.specialbasic');

      // Only care if there is more than one
      if (!$spec.length || $sb.length <= 1)
        return;

      var $sel = $('<select>');

      $sel.change(function () {
        EditTools.chooseCharSubset();
      });

      $sb.each(function (i) {
        var id = $(this).attr('id').replace(/.([0-9A-F][0-9A-F])/g, '%$1').replace(/_/g, ' ');
        $sel.append(
          $('<option value="' + i + '"></option>').text(decodeURIComponent(id))
        );
      });

      $spec.prepend($sel);

      this.chooseCharSubset();
    },

    chooseCharSubset: function () {
      var $sb = $('#specialchars p.specialbasic');

      var id = $('#specialchars select').val();

      var $wanted = $sb.eq(id);
      this.makeButtons($wanted);

      $sb.hide();

      $wanted.css('display', 'inline');

    },

    bindOnClick: function ($button, self) {
      var onclick = self.getAttribute("onclick"),
        $self = $( self ),
        start,
        end;

      start = $self.data( 'mw-charinsert-start' ),
      end = $self.data( 'mw-charinsert-end' );
      if ( start !== undefined && end !== undefined ) {
        $button.click( function( e ) {
          e.preventDefault();
          mw.toolbar.insertTags( start, end, '' );
         } );
        } else {
          if (typeof onclick !== 'function') {
          // if onclick is not a function, it's not IE7, so use setAttribute
          // for FF,IE8,Chrome
          $button[0].setAttribute('onclick', onclick);
        } else {
          // if onclick is a function, use the IE7 method and call onclick() in the anonymous function
          // for IE7
          $button[0].onclick = function () {
            onclick();
          };
        }
      }
    },

    makeButtons: function ($wanted) {
      var $links = $wanted.find('a');
      var self = this;

      $links.each(function () {
        var $button = $('<button type="button">');
        $button.text($(this).text());

        self.bindOnClick($button, this);

        $(this).replaceWith($button);
        $(this).blur();
      });
      $wanted.contents().not('button').remove();
    },
    makeToolbarButtons: function () {
      var self = this;

      // Add  Edittool section
      $('#wpTextbox1').wikiEditor('addToToolbar', {
        sections: {
          'Edittools': {
            type: 'booklet',
            label: 'Edittools',
            pages: {
              'Edittools1': {
                layout: 'characters',
                label: 'Edittools2'
              }
            }
          }
        }
      });


      var $section = $('.page-Edittools1 div').addClass('com-editbuttons');
      var $links = $('#specialchars p.specialbasic').eq(0).find('a');
      $links.each(function () {
        var $button = $('<span>');
        $button.text($(this).text());

        self.bindOnClick($button, this);
        $section.append($button);
      });
      $('.mw-editTools').remove();
    },

    last_active_textfield: null,

    enableForAllFields: function () {
      $('textarea, input').focus(function () {
        EditTools.last_active_textfield = this.id;
      });
    },

    getTextArea: function () {
      var $txtarea = {};
      if (EditTools.last_active_textfield !== null) $txtarea = $('#' + EditTools.last_active_textfield).eq(0);
      if ($txtarea.length !== 1) {
        $txtarea = $('#bodyContent textarea').eq(0);
      }
      return $txtarea;
    },

    registerTextField: function (evt) {
      var e = evt || window.event;
      var node = e.target || e.srcElement;
      if (!node)
        return;
      EditTools.last_active_textfield = node.id;
      return true;
    },

    setup: function () {
      // Decide whether to use the toolbar or the bottom div
      if (window.oldEdittools || mw.user.options.get('gadget-OldEdittools') === "1" || $('#wpUploadDescription').length || !$.wikiEditor || !$.wikiEditor.isSupported()) {
        EditTools.createSelector();
        EditTools.enableForAllFields();
      } else {
        EditTools.makeToolbarButtons();
        EditTools.enableForAllFields();
      }
      if ( !( mw.toolbar && mw.toolbar.insertTags ) ) {
      	// `.insertTags()` required on, e.g. [[Special:Upload]]
      	mw.loader.load('mediawiki.toolbar');
      }
    }
  };
  $(function () {
    // Don't do anything if no edittools present.
    if (!$('#specialchars').length)
      return;

    mw.loader.using('mediawiki.user', function () {
      // Check user preferences
      if (mw.user.options.get('usebetatoolbar') === 1 && "1" !== mw.user.options.get('gadget-OldEdittools')) {
        mw.loader.using(['ext.wikiEditor'], EditTools.setup);
      } else {
        EditTools.setup();
      }
    });
  });
}(jQuery, mediaWiki));
// </nowiki>