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class:ETI"ProcessedAsset; FI"logical_path; TI"3locomotive/views/content_assets/picker_view.js; FI"pathname; TI"~/Users/didier/Documents/LocomotiveCMS/engine/app/assets/javascripts/locomotive/views/content_assets/picker_view.js.coffee; FI"content_type; TI"application/javascript; TI"
mtime; TI"2014-03-20T10:46:19+01:00; TI"length; Ti~#I"digest; TI"%52cac0f536977398589f988dde9dd5a3; FI"source; TI"~#(function() {
  var _base,
    __hasProp = {}.hasOwnProperty,
    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

  (_base = Locomotive.Views).ContentAssets || (_base.ContentAssets = {});

  Locomotive.Views.ContentAssets.PickerView = (function(_super) {
    __extends(PickerView, _super);

    function PickerView() {
      return PickerView.__super__.constructor.apply(this, arguments);
    }

    PickerView.prototype.number_items_per_row = 4;

    PickerView.prototype.page = 1;

    PickerView.prototype.per_page = 12;

    PickerView.prototype.total_pages = null;

    PickerView.prototype.uploading = false;

    PickerView.prototype._item_views = [];

    PickerView.prototype.events = {
      'click .btn': 'toggle_filter_by_type',
      'change input[name=query]': 'fetch_assets'
    };

    PickerView.prototype.render = function() {
      PickerView.__super__.render.apply(this, arguments);
      this.enable_dropzone();
      this.enable_infinite_scroll();
      return this;
    };

    PickerView.prototype.template = function() {
      return ich.content_asset_picker;
    };

    PickerView.prototype.fetch_assets = function(event) {
      var xhr;
      this._reset();
      xhr = this.collection.fetch({
        data: this._fetch_options(),
        reset: true,
        success: (function(_this) {
          return function() {
            return _this.open();
          };
        })(this)
      });
      return xhr.done((function(_this) {
        return function() {
          return _this._get_pagination_info(xhr);
        };
      })(this));
    };

    PickerView.prototype.toggle_filter_by_type = function(event) {
      $(event.target).toggleClass('on');
      return this.fetch_assets();
    };

    PickerView.prototype.build_uploader = function(el, link) {
      link.bind('click', function(event) {
        event.stopPropagation() & event.preventDefault();
        return el.click();
      });
      return el.bind('change', (function(_this) {
        return function(event) {
          return _this._persist_files(event);
        };
      })(this));
    };

    PickerView.prototype.add_asset = function(asset, first) {
      var view;
      view = new Locomotive.Views.ContentAssets.PickerItemView({
        model: asset,
        parent: this
      });
      (this._item_views || (this._item_views = [])).push(view);
      if (this.uploading) {
        this.$('ul.list').prepend(view.render().el);
        return this._refresh();
      } else {
        this.$('ul.list .clear').before(view.render().el);
        this._refresh();
        if (first !== true) {
          return this._move_to_last_asset();
        }
      }
    };

    PickerView.prototype.enable_dropzone = function() {
      var dropzone;
      if (!(window.File && window.FileList && window.FileReader)) {
        return;
      }
      dropzone = this.$('ul.list').parent();
      dropzone.on('dragover', (function(_this) {
        return function(event) {
          _this._stop_event(event);
          return dropzone.addClass('hovered');
        };
      })(this));
      dropzone.on('dragleave', (function(_this) {
        return function(event) {
          _this._stop_event(event);
          return dropzone.removeClass('hovered');
        };
      })(this));
      dropzone.on('dragenter', (function(_this) {
        return function(event) {
          return _this._stop_event(event);
        };
      })(this));
      return dropzone.on('drop', (function(_this) {
        return function(event) {
          _this._stop_event(event);
          dropzone.removeClass('hovered');
          return _this._persist_files(event);
        };
      })(this));
    };

    PickerView.prototype.enable_infinite_scroll = function() {
      var $list;
      $list = this.$('ul.list');
      return $list.on('scroll', (function(_this) {
        return function(event) {
          if (_this.throttle_timer != null) {
            clearTimeout(_this.throttle_timer);
          }
          return _this.throttle_timer = setTimeout(function() {
            var height, isScrolledToEnd, scroll, xhr;
            height = $list[0].scrollHeight - $list.innerHeight();
            scroll = $list.scrollTop();
            isScrolledToEnd = scroll >= height;
            if (isScrolledToEnd && _this.page < _this.total_pages) {
              _this.page += 1;
              xhr = _this.collection.fetch({
                data: {
                  page: _this.page,
                  per_page: _this.per_page
                },
                success: function() {
                  _this._refresh();
                  return $list.scrollTop(scroll);
                }
              });
              return xhr.done(function() {
                return _this._get_pagination_info(xhr);
              });
            }
          }, 100);
        };
      })(this));
    };

    PickerView.prototype.remove_asset = function(asset) {
      var view;
      view = _.find(this._item_views, function(tmp) {
        return tmp.model === asset;
      });
      if (view != null) {
        view.remove();
      }
      return this._refresh();
    };

    PickerView.prototype.dialog_class = function() {
      return 'content-asset-picker-dialog';
    };

    PickerView.prototype._fetch_options = function() {
      return _.tap({
        per_page: this.per_page
      }, (function(_this) {
        return function(options) {
          options.types = [];
          _this.$('.asset-types .btn.on').each(function() {
            return options.types.push($(this).data('type'));
          });
          return options.query = _this.$('input[name=query]').val();
        };
      })(this));
    };

    PickerView.prototype._persist_files = function(event) {
      var files;
      files = event.target.files || event.originalEvent.dataTransfer.files;
      this._move_to_top();
      this.uploading = true;
      _.each(files, (function(_this) {
        return function(file) {
          var asset, view;
          asset = new Locomotive.Models.ContentAsset({
            uploading: true,
            source: file
          });
          _this.collection.add(asset.prepare(), {
            at: 0
          });
          view = _this._find_view_by_asset(asset);
          return asset.save({}, {
            headers: {
              'X-Flash': true
            },
            success: function(model, response) {
              asset.set({
                uploading: false
              });
              asset.prepare();
              return view.refresh();
            },
            error: function() {
              return _this.shake();
            },
            progress: function(loaded, total) {
              return view.uploaded_at(loaded, total);
            }
          });
        };
      })(this));
      this.uploading = false;
      return this._recalculate_pagination(_.size(files));
    };

    PickerView.prototype._recalculate_pagination = function(number_assets_added) {
      var number_assets_to_delete, previous_total_pages;
      previous_total_pages = this.total_pages;
      if (this.page < this.total_pages) {
        number_assets_to_delete = number_assets_added % this.per_page;
        while (number_assets_to_delete -= 1) {
          this.collection.pop();
        }
      }
      this.total_entries += number_assets_added;
      this.total_pages = Math.ceil(this.total_entries / this.per_page);
      if (this.page === previous_total_pages || previous_total_pages === 0) {
        return this.page = this.total_pages;
      }
    };

    PickerView.prototype._on_refresh = function() {
      var self;
      self = this;
      return this.$('ul.list li.asset').each(function(index) {
        if ((index + 1) % self.number_items_per_row === 0) {
          return $(this).addClass('last');
        } else {
          return $(this).removeClass('last');
        }
      });
    };

    PickerView.prototype._find_view_by_asset = function(asset) {
      return _.find(this._item_views || [], function(view) {
        return view.model.cid === asset.cid;
      });
    };

    PickerView.prototype._stop_event = function(event) {
      return event.stopPropagation() & event.preventDefault();
    };

    PickerView.prototype._get_pagination_info = function(xhr) {
      this.total_pages = parseInt(xhr.getResponseHeader('X-Total-Pages'));
      this.per_page = parseInt(xhr.getResponseHeader('X-Per-Page'));
      return this.total_entries = parseInt(xhr.getResponseHeader('X-Total-Entries'));
    };

    PickerView.prototype._reset = function() {
      this.page = 1;
      this.total_pages = null;
      _.each(this._item_views || [], function(view) {
        return view.remove();
      });
      return PickerView.__super__._reset.call(this);
    };

    return PickerView;

  })(Locomotive.Views.Shared.AssetPickerView);

}).call(this);
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