diff options
Diffstat (limited to 'ecomp-portal-FE/client/bower_components/jqTree/src/drag_and_drop_handler.coffee')
| -rw-r--r-- | ecomp-portal-FE/client/bower_components/jqTree/src/drag_and_drop_handler.coffee | 491 |
1 files changed, 0 insertions, 491 deletions
diff --git a/ecomp-portal-FE/client/bower_components/jqTree/src/drag_and_drop_handler.coffee b/ecomp-portal-FE/client/bower_components/jqTree/src/drag_and_drop_handler.coffee deleted file mode 100644 index 38b1d521..00000000 --- a/ecomp-portal-FE/client/bower_components/jqTree/src/drag_and_drop_handler.coffee +++ /dev/null @@ -1,491 +0,0 @@ -node_module = require './node' -util = require './util' - -Position = node_module.Position - -$ = jQuery - - -class DragAndDropHandler - constructor: (tree_widget) -> - @tree_widget = tree_widget - - @hovered_area = null - @$ghost = null - @hit_areas = [] - @is_dragging = false - @current_item = null - - mouseCapture: (position_info) -> - $element = $(position_info.target) - - if not @mustCaptureElement($element) - return null - - if @tree_widget.options.onIsMoveHandle and not @tree_widget.options.onIsMoveHandle($element) - return null - - node_element = @tree_widget._getNodeElement($element) - - if node_element and @tree_widget.options.onCanMove - if not @tree_widget.options.onCanMove(node_element.node) - node_element = null - - @current_item = node_element - return (@current_item != null) - - mouseStart: (position_info) -> - @refresh() - - offset = $(position_info.target).offset() - - node = @current_item.node - - if @tree_widget.options.autoEscape - node_name = util.html_escape(node.name) - else - node_name = node.name - - @drag_element = new DragElement( - node_name, - position_info.page_x - offset.left, - position_info.page_y - offset.top, - @tree_widget.element - ) - - @is_dragging = true - @current_item.$element.addClass('jqtree-moving') - return true - - mouseDrag: (position_info) -> - @drag_element.move(position_info.page_x, position_info.page_y) - - area = @findHoveredArea(position_info.page_x, position_info.page_y) - can_move_to = @canMoveToArea(area) - - if can_move_to and area - if !area.node.isFolder() - @stopOpenFolderTimer() - - if @hovered_area != area - @hovered_area = area - - # If this is a closed folder, start timer to open it - if @mustOpenFolderTimer(area) - @startOpenFolderTimer(area.node) - else - @stopOpenFolderTimer() - - @updateDropHint() - else - @removeHover() - @removeDropHint() - @stopOpenFolderTimer() - - if not area - if @tree_widget.options.onDragMove? - @tree_widget.options.onDragMove(@current_item.node, position_info.original_event) - - return true - - mustCaptureElement: ($element) -> - return not $element.is('input,select,textarea') - - canMoveToArea: (area) -> - if not area - return false - else if @tree_widget.options.onCanMoveTo - position_name = Position.getName(area.position) - - return @tree_widget.options.onCanMoveTo(@current_item.node, area.node, position_name) - else - return true - - mouseStop: (position_info) -> - @moveItem(position_info) - @clear() - @removeHover() - @removeDropHint() - @removeHitAreas() - - current_item = @current_item - - if @current_item - @current_item.$element.removeClass('jqtree-moving') - @current_item = null - - @is_dragging = false - - if not @hovered_area and current_item - if @tree_widget.options.onDragStop? - @tree_widget.options.onDragStop(current_item.node, position_info.original_event) - - return false - - refresh: -> - @removeHitAreas() - - if @current_item - @generateHitAreas() - - @current_item = @tree_widget._getNodeElementForNode(@current_item.node) - - if @is_dragging - @current_item.$element.addClass('jqtree-moving') - - removeHitAreas: -> - @hit_areas = [] - - clear: -> - @drag_element.remove() - @drag_element = null - - removeDropHint: -> - if @previous_ghost - @previous_ghost.remove() - - removeHover: -> - @hovered_area = null - - generateHitAreas: -> - hit_areas_generator = new HitAreasGenerator( - @tree_widget.tree, - @current_item.node, - @getTreeDimensions().bottom - ) - @hit_areas = hit_areas_generator.generate() - - findHoveredArea: (x, y) -> - dimensions = @getTreeDimensions() - - if ( - x < dimensions.left or - y < dimensions.top or - x > dimensions.right or - y > dimensions.bottom - ) - return null - - low = 0 - high = @hit_areas.length - while (low < high) - mid = (low + high) >> 1 - area = @hit_areas[mid] - - if y < area.top - high = mid - else if y > area.bottom - low = mid + 1 - else - return area - - return null - - mustOpenFolderTimer: (area) -> - node = area.node - - return ( - node.isFolder() and - not node.is_open and - area.position == Position.INSIDE - ) - - updateDropHint: -> - if not @hovered_area - return - - # remove previous drop hint - @removeDropHint() - - # add new drop hint - node_element = @tree_widget._getNodeElementForNode(@hovered_area.node) - @previous_ghost = node_element.addDropHint(@hovered_area.position) - - startOpenFolderTimer: (folder) -> - openFolder = => - @tree_widget._openNode( - folder, - @tree_widget.options.slide, - => - @refresh() - @updateDropHint() - ) - - @stopOpenFolderTimer() - - @open_folder_timer = setTimeout(openFolder, @tree_widget.options.openFolderDelay) - - stopOpenFolderTimer: -> - if @open_folder_timer - clearTimeout(@open_folder_timer) - @open_folder_timer = null - - moveItem: (position_info) -> - if ( - @hovered_area and - @hovered_area.position != Position.NONE and - @canMoveToArea(@hovered_area) - ) - moved_node = @current_item.node - target_node = @hovered_area.node - position = @hovered_area.position - previous_parent = moved_node.parent - - if position == Position.INSIDE - @hovered_area.node.is_open = true - - doMove = => - @tree_widget.tree.moveNode(moved_node, target_node, position) - @tree_widget.element.empty() - @tree_widget._refreshElements() - - event = @tree_widget._triggerEvent( - 'tree.move', - move_info: - moved_node: moved_node - target_node: target_node - position: Position.getName(position) - previous_parent: previous_parent - do_move: doMove - original_event: position_info.original_event - ) - - doMove() unless event.isDefaultPrevented() - - getTreeDimensions: -> - # Return the dimensions of the tree. Add a margin to the bottom to allow - # for some to drag-and-drop the last element. - offset = @tree_widget.element.offset() - - return { - left: offset.left, - top: offset.top, - right: offset.left + @tree_widget.element.width(), - bottom: offset.top + @tree_widget.element.height() + 16 - } - - -class VisibleNodeIterator - constructor: (tree) -> - @tree = tree - - iterate: -> - is_first_node = true - - _iterateNode = (node, next_node) => - must_iterate_inside = ( - (node.is_open or not node.element) and node.hasChildren() - ) - - if node.element - $element = $(node.element) - - if not $element.is(':visible') - return - - if is_first_node - @handleFirstNode(node, $element) - is_first_node = false - - if not node.hasChildren() - @handleNode(node, next_node, $element) - else if node.is_open - if not @handleOpenFolder(node, $element) - must_iterate_inside = false - else - @handleClosedFolder(node, next_node, $element) - - if must_iterate_inside - children_length = node.children.length - for child, i in node.children - if i == (children_length - 1) - _iterateNode(node.children[i], null) - else - _iterateNode(node.children[i], node.children[i+1]) - - if node.is_open - @handleAfterOpenFolder(node, next_node, $element) - - _iterateNode(@tree, null) - - handleNode: (node, next_node, $element) -> - # override - - handleOpenFolder: (node, $element) -> - # override - # return - # - true: continue iterating - # - false: stop iterating - - handleClosedFolder: (node, next_node, $element) -> - # override - - handleAfterOpenFolder: (node, next_node, $element) -> - # override - - handleFirstNode: (node, $element) -> - # override - - -class HitAreasGenerator extends VisibleNodeIterator - constructor: (tree, current_node, tree_bottom) -> - super(tree) - - @current_node = current_node - @tree_bottom = tree_bottom - - generate: -> - @positions = [] - @last_top = 0 - - @iterate() - - return @generateHitAreas(@positions) - - getTop: ($element) -> - return $element.offset().top - - addPosition: (node, position, top) -> - area = { - top: top - node: node - position: position - } - - @positions.push(area) - @last_top = top - - handleNode: (node, next_node, $element) -> - top = @getTop($element) - - if node == @current_node - # Cannot move inside current item - @addPosition(node, Position.NONE, top) - else - @addPosition(node, Position.INSIDE, top) - - if ( - next_node == @current_node or - node == @current_node - ) - # Cannot move before or after current item - @addPosition(node, Position.NONE, top) - else - @addPosition(node, Position.AFTER, top) - - handleOpenFolder: (node, $element) -> - if node == @current_node - # Cannot move inside current item - # Stop iterating - return false - - # Cannot move before current item - if node.children[0] != @current_node - @addPosition(node, Position.INSIDE, @getTop($element)) - - # Continue iterating - return true - - handleClosedFolder: (node, next_node, $element) -> - top = @getTop($element) - - if node == @current_node - # Cannot move after current item - @addPosition(node, Position.NONE, top) - else - @addPosition(node, Position.INSIDE, top) - - # Cannot move before current item - if next_node != @current_node - @addPosition(node, Position.AFTER, top) - - handleFirstNode: (node, $element) -> - if node != @current_node - @addPosition(node, Position.BEFORE, @getTop($(node.element))) - - handleAfterOpenFolder: (node, next_node, $element) -> - if ( - node == @current_node.node or - next_node == @current_node.node - ) - # Cannot move before or after current item - @addPosition(node, Position.NONE, @last_top) - else - @addPosition(node, Position.AFTER, @last_top) - - generateHitAreas: (positions) -> - previous_top = -1 - group = [] - hit_areas = [] - - for position in positions - if position.top != previous_top and group.length - if group.length - @generateHitAreasForGroup( - hit_areas, - group, - previous_top, - position.top - ) - - previous_top = position.top - group = [] - - group.push(position) - - @generateHitAreasForGroup( - hit_areas, - group, - previous_top, - @tree_bottom - ) - - return hit_areas - - generateHitAreasForGroup: (hit_areas, positions_in_group, top, bottom) -> - # limit positions in group - position_count = Math.min(positions_in_group.length, 4) - - area_height = Math.round((bottom - top) / position_count) - area_top = top - - i = 0 - while (i < position_count) - position = positions_in_group[i] - - hit_areas.push( - top: area_top, - bottom: area_top + area_height, - node: position.node, - position: position.position - ) - - area_top += area_height - i += 1 - - return null - - -class DragElement - constructor: (node_name, offset_x, offset_y, $tree) -> - @offset_x = offset_x - @offset_y = offset_y - - @$element = $("<span class=\"jqtree-title jqtree-dragging\">#{ node_name }</span>") - @$element.css("position", "absolute") - $tree.append(@$element) - - move: (page_x, page_y) -> - @$element.offset( - left: page_x - @offset_x, - top: page_y - @offset_y - ) - - remove: -> - @$element.remove() - - -module.exports = - DragAndDropHandler: DragAndDropHandler - DragElement: DragElement - HitAreasGenerator: HitAreasGenerator |