Club Drupal

(function ($) {

Drupal.flexible = Drupal.flexible || {};

Drupal.flexible.splitters = [];

/**

 * Fix the height of all splitters to be the same as the items they are

 * splitting.

 */

Drupal.flexible.fixHeight = function() {

  for (i in Drupal.flexible.splitters) {

    Drupal.flexible.splitters[i].fixHeight();

  }

}

Drupal.behaviors.flexibleAdmin = {

  attach: function(context) {

    // Show/hide layout manager button

    $('#panels-flexible-toggle-layout:not(.panels-flexible-processed)', context)

      .addClass('panels-flexible-processed')

      .click(function() {

        $('.panel-flexible-admin')

          .toggleClass('panel-flexible-no-edit-layout')

          .toggleClass('panel-flexible-edit-layout');

        if ($('.panel-flexible-admin').hasClass('panel-flexible-edit-layout')) {

          $(this).val(Drupal.t('Hide layout designer'));

          Drupal.flexible.fixHeight();

        }

        else {

          $(this).val(Drupal.t('Show layout designer'));

        }

        return false;

      });

    // Window splitter behavior.

    $('div.panels-flexible-splitter:not(.panels-splitter-processed)')

      .addClass('panels-splitter-processed')

      .each(function() {

        Drupal.flexible.splitters.push(new Drupal.flexible.splitter($(this)));

      });

    Drupal.flexible.fixHeight();

  }

};

Drupal.flexible.splitter = function($splitter) {

  var splitter = this;

  this.fixHeight = function() {

    // Set the splitter height to the shorter of the two:

    $splitter.height(Math.max(this.left.outerHeight(), this.right.outerHeight()));

  }

  function splitterStart(event) {

    // Bind motion events.

    $(document)

      .bind("mousemove", splitterMove)

      .bind("mouseup", splitterEnd);

    // Calculate some data about our split regions:

    splitter.getSizes();

    // The X coordinate where we clicked.

    splitter.startX = event.pageX;

    // The current sizes of the left/right panes.

    splitter.currentLeft = parseFloat(splitter.left_width) * parseFloat(splitter.left_scale);

    splitter.currentRight = parseFloat(splitter.right_width) * parseFloat(splitter.right_scale);

    // The starting sizes of the left right panes.

    splitter.startLeft = splitter.currentLeft;

    splitter.startRight = splitter.currentRight;

    if (splitter.left_width_type == splitter.right_width_type) {

      // If they're the same type, add the two together so we know how

      // much space we have for splitting.

      splitter.max = splitter.startLeft + splitter.startRight;

      // calculate unit size and min/max width.

      if (splitter.left_width_type == '%') {

        splitter.left_total = splitter.left.width() / (splitter.left_width / 100);

        // One pixel is equivalent to what percentage of the total?

        splitter.left_unit = (1 / splitter.left_total) * 100;

        splitter.left_min = 5; // minimum % we'll use.

      }

      else {

        splitter.left_unit = 1;

        splitter.left_min = 25; // minimum pixels we'll use.

      }

      if (splitter.right_width_type == '%') {

        splitter.right_total = splitter.right.width() / (splitter.right_width / 100);

        // One pixel is equivalent to what percentage of the total?

        splitter.right_unit = (1 / splitter.right_total) * 100;

        splitter.right_min = 5; // minimum % we'll use.

      }

      else {

        splitter.right_unit = 1;

        splitter.right_min = 25; // minimum pixels we'll use.

      }

    }

    else {

      // Figure out the parent blob's width and set the max to that

      splitter.parent = $splitter.parent().parent();

      if (splitter.left_width_type != 'px') {

        // Only the 'px' side can resize.

        splitter.left_unit = 0;

        splitter.right_unit = 1;

        splitter.right_min = 25;

        splitter.right_padding = parseInt(splitter.parent.css('padding-right'));

        splitter.right_parent = parseInt(splitter.right.parent().css('margin-right'));

        splitter.max = splitter.right.width() + splitter.left.parent().width() -

          (splitter.left.siblings(':not(.panels-flexible-splitter)').length * 25) - 25;

      }

      else {

        splitter.right_unit = 0;

        splitter.left_unit = 1;

        splitter.left_min = 25;

        splitter.left_padding = parseInt(splitter.parent.css('padding-left'));

        splitter.left_parent = parseInt(splitter.left.parent().css('margin-left'));

        if (splitter.right_id) {

          splitter.max = splitter.left.width() + splitter.right.parent().width() -

            (splitter.right.siblings(':not(.panels-flexible-splitter)').length * 25) - 25;

        }

        else {

          var subtract = 0;

          splitter.left.siblings(':not(.panels-flexible-splitter)').each(function() { subtract += $(this).width()});

          splitter.max = splitter.left.parent().width() - subtract;

        }

      }

    }

    var offset = $(splitter.splitter).offset();

    // Create boxes to display widths left and right of the mouse pointer.

    // Create left box only if left box is mobile.

    if (splitter.left_unit) {

      splitter.left_box = $('<div class="flexible-splitter-hover-box">&nbsp;</div>');

      $('body').append(splitter.left_box);

      splitter.left_box.css('top', offset.top);

      splitter.left_box.css('left', event.pageX - 65);

    if (splitter.left_width_type == '%') {

        var left = splitter.currentLeft / splitter.left_scale;

        splitter.left_box.html(left.toFixed(2) + splitter.left_width_type);

      }

      else {

        // make sure pixel values are always whole integers.

        splitter.currentLeft = parseInt(splitter.currentLeft);

        splitter.left_box.html(splitter.currentLeft + splitter.left_width_type);

      }

    }

    // Create the right box if the right side is mobile.

    if (splitter.right_unit) {

      splitter.right_box = $('<div class="flexible-splitter-hover-box"></div>');

      $('body').append(splitter.right_box);

      splitter.right_box.css('top', offset.top);

      splitter.right_box.css('left', event.pageX + 5);

      if (splitter.right_width_type == '%') {

        var right = splitter.currentRight / splitter.right_scale;

        splitter.right_box.html(right.toFixed(2) + splitter.right_width_type);

      }

      else {

        // make sure pixel values are always whole integers.

        splitter.currentRight = parseInt(splitter.currentRight);

        splitter.right_box.html(splitter.currentRight + splitter.right_width_type);

      }

    }

    return false;

  };

  function splitterMove(event) {

    var diff = splitter.startX - event.pageX;

    var moved = 0;

    if (event.keyCode == 37) diff = 10;

    if (event.keyCode == 39) diff = -10;

    // Bah, javascript has no logical xor operator

    if ((splitter.left_unit && !splitter.right_unit) ||

      (!splitter.left_unit && splitter.right_unit)) {

      // This happens when one side is fixed and the other side is fluid. The

      // fixed side actually adjusts while the fluid side does not. However,

      // in order to move the fluid side we have to adjust the padding

      // on our parent object.

      if (splitter.left_unit) {

        // Only the left box is allowed to move.

        splitter.currentLeft = splitter.startLeft - diff;

        if (splitter.currentLeft < splitter.left_min) {

          splitter.currentLeft = splitter.left_min;

        }

        if (splitter.currentLeft > splitter.max) {

          splitter.currentLeft = splitter.max;

        }

        // If the shift key is pressed, go with 1% or 10px boundaries.

        if (event.shiftKey) {

          splitter.currentLeft = parseInt(splitter.currentLeft / 10) * 10;

        }

        moved = (splitter.startLeft - splitter.currentLeft);

      }

      else {

        // Only the left box is allowed to move.

        splitter.currentRight = splitter.startRight + diff;

        if (splitter.currentRight < splitter.right_min) {

          splitter.currentRight = splitter.right_min;

        }

        if (splitter.currentRight > splitter.max) {

          splitter.currentRight = splitter.max;

        }

        // If the shift key is pressed, go with 1% or 10px boundaries.

        if (event.shiftKey) {

          splitter.currentRight = parseInt(splitter.currentRight / 10) * 10;

        }

        moved = (splitter.currentRight - splitter.startRight);

      }

    }

    else {

      // If they are both the same type, do this..

      // Adjust the left side by the amount we moved.

      var left = -1 * diff * splitter.left_unit;

      splitter.currentLeft = splitter.startLeft + left;

      if (splitter.currentLeft < splitter.left_min) {

        splitter.currentLeft = splitter.left_min;

      }

      if (splitter.currentLeft > splitter.max - splitter.right_min) {

        splitter.currentLeft = splitter.max - splitter.right_min;

      }

      // If the shift key is pressed, go with 1% or 10px boundaries.

      if (event.shiftKey) {

        if (splitter.left_width_type == '%') {

          splitter.currentLeft = parseInt(splitter.currentLeft / splitter.left_scale) * splitter.left_scale;

        }

        else {

          splitter.currentLeft = parseInt(splitter.currentLeft / 10) * 10;

        }

      }

      // Now automatically make the right side to be the other half.

      splitter.currentRight = splitter.max - splitter.currentLeft;

      // recalculate how far we've moved into pixels so we can adjust our visible

      // boxes.

      moved = (splitter.startLeft - splitter.currentLeft) / splitter.left_unit;

    }

    if (splitter.left_unit) {

      splitter.left_box.css('left', splitter.startX - 65 - moved);

      if (splitter.left_width_type == '%') {

        var left = splitter.currentLeft / splitter.left_scale;

        splitter.left_box.html(left.toFixed(2) + splitter.left_width_type);

      }

      else {

        splitter.left_box.html(parseInt(splitter.currentLeft) + splitter.left_width_type);

      }

      // Finally actually move the left side

      splitter.left.css('width', splitter.currentLeft + splitter.left_width_type);

    }

    else {

      // if not moving the left side, adjust the parent padding instead.

      splitter.parent.css('padding-right', (splitter.right_padding + moved) + 'px');

      splitter.right.parent().css('margin-right', (splitter.right_parent - moved) + 'px');

    }

    if (splitter.right_unit) {

      splitter.right_box.css('left', splitter.startX + 5 - moved);

      if (splitter.right_width_type == '%') {

        var right = splitter.currentRight / splitter.right_scale;

        splitter.right_box.html(right.toFixed(2) + splitter.right_width_type);

      }

      else {

        splitter.right_box.html(parseInt(splitter.currentRight) + splitter.right_width_type);

      }

      // Finally actually move the right side

      splitter.right.css('width', splitter.currentRight + splitter.right_width_type);

    }

    else {

      // if not moving the right side, adjust the parent padding instead.

      splitter.parent.css('padding-left', (splitter.left_padding - moved) + 'px');

      splitter.left.parent().css('margin-left', (splitter.left_parent + moved) + 'px');

    }

    return false;

  };

  function splitterKeyPress(event) {

    splitterStart(event);

    splitterMove(event);

    splitterEnd(event);

  };

  function splitterEnd(event) {

    if (splitter.left_unit) {

      splitter.left_box.remove();

    }

    if (splitter.right_unit) {

      splitter.right_box.remove();

    }

    splitter.left.css("-webkit-user-select", "text");        // let Safari select text again

    splitter.right.css("-webkit-user-select", "text");        // let Safari select text again

    if (splitter.left_unit) {

      splitter.left_width = splitter.currentLeft / parseFloat(splitter.left_scale);

    }

    if (splitter.right_unit) {

      splitter.right_width = splitter.currentRight / parseFloat(splitter.right_scale);

    }

    splitter.putSizes();

    Drupal.flexible.fixHeight();

    $(document)

      .unbind("mousemove", splitterMove)

      .unbind("mouseup", splitterEnd);

    // Store the data on the server.

    Drupal.ajax['flexible-splitter-ajax'].options.data = {

      'left': splitter.left_id,

      'left_width': splitter.left_width,

      'right': splitter.right_id,

      'right_width': splitter.right_width

    };

    $('.panel-flexible-edit-layout').trigger('UpdateFlexibleSplitter');

  };

  this.getSizes = function() {

    splitter.left_width = $splitter.children('.panels-flexible-splitter-left-width').html();

    splitter.left_scale = $splitter.children('.panels-flexible-splitter-left-scale').html();

    splitter.left_width_type = $splitter.children('.panels-flexible-splitter-left-width-type').html();

    splitter.right_width = $splitter.children('.panels-flexible-splitter-right-width').html();

    splitter.right_scale = $splitter.children('.panels-flexible-splitter-right-scale').html();

    splitter.right_width_type = $splitter.children('.panels-flexible-splitter-right-width-type').html();

  };

  this.putSizes = function() {

    $(splitter.left_class + '-width').html(splitter.left_width);

    if (splitter.left_class != splitter.right_class) {

      $(splitter.right_class + '-width').html(splitter.right_width);

    }

  }

  splitter.splitter = $splitter;

  splitter.left_class = $splitter.children('.panels-flexible-splitter-left').html();

  splitter.left_id = $splitter.children('.panels-flexible-splitter-left-id').html();

  splitter.left = $(splitter.left_class);

  splitter.right_class = $splitter.children('.panels-flexible-splitter-right').html();

  splitter.right_id = $splitter.children('.panels-flexible-splitter-right-id').html();

  splitter.right = $(splitter.right_class);

  $splitter

    .bind("mousedown", splitterStart)

    .bind("keydown", splitterKeyPress);

};

$(function() {

  /**

   * Provide an AJAX response command to allow the server to request

   * height fixing.

   */

  Drupal.ajax.prototype.commands.flexible_fix_height = function(ajax, command, status) {

    Drupal.flexible.fixHeight();

  };

  /**

   * Provide an AJAX response command to allow the server to change width on existing splitters.

   */

  Drupal.ajax.prototype.commands.flexible_set_width = function(ajax, command, status) {

    $(command.selector).html(command.width);

  };

  /**

   * Provide an AJAX response command to fix the first/last bits of a

   * group.

   */

  Drupal.ajax.prototype.commands.flexible_fix_firstlast = function(ajax, data, status) {

    $(data.selector + ' > div > .' + data.base)

      .removeClass(data.base + '-first')

      .removeClass(data.base + '-last');

    $(data.selector + ' > div > .' + data.base + ':first')

      .addClass(data.base + '-first');

    $(data.selector + ' > div > .' + data.base + ':last')

      .addClass(data.base + '-last');

  };

  // Create a generic ajax callback for use with the splitters which

  // background AJAX to store their data.

  var element_settings = {

    url: Drupal.settings.flexible.resize,

    event: 'UpdateFlexibleSplitter',

    keypress: false,

    // No throbber at all.

    progress: { 'type': 'none' }

  };

  Drupal.ajax['flexible-splitter-ajax'] = new Drupal.ajax('flexible-splitter-ajax', $('.panel-flexible-admin').get(0), element_settings);

  // Prevent ajax goo from doing odd things to our layout.

  Drupal.ajax['flexible-splitter-ajax'].beforeSend = function() { };

  Drupal.ajax['flexible-splitter-ajax'].beforeSerialize = function() { };

});

})(jQuery);