diff options
Diffstat (limited to 'ecomp-portal-FE/client/bower_components/jqTree/src/save_state_handler.coffee')
| -rw-r--r-- | ecomp-portal-FE/client/bower_components/jqTree/src/save_state_handler.coffee | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/ecomp-portal-FE/client/bower_components/jqTree/src/save_state_handler.coffee b/ecomp-portal-FE/client/bower_components/jqTree/src/save_state_handler.coffee deleted file mode 100644 index 65810357..00000000 --- a/ecomp-portal-FE/client/bower_components/jqTree/src/save_state_handler.coffee +++ /dev/null @@ -1,208 +0,0 @@ -util = require './util' - -indexOf = util.indexOf -isInt = util.isInt - - -$ = jQuery - - -class SaveStateHandler - constructor: (tree_widget) -> - @tree_widget = tree_widget - - saveState: -> - state = JSON.stringify(@getState()) - - if @tree_widget.options.onSetStateFromStorage - @tree_widget.options.onSetStateFromStorage(state) - else if @supportsLocalStorage() - localStorage.setItem( - @getCookieName(), - state - ) - else if $.cookie - $.cookie.raw = true - $.cookie( - @getCookieName(), - state, - {path: '/'} - ) - - getStateFromStorage: -> - json_data = @_loadFromStorage() - - if json_data - return @_parseState(json_data) - else - return null - - _parseState: (json_data) -> - state = $.parseJSON(json_data) - - # Check if selected_node is an int (instead of an array) - if state and state.selected_node and isInt(state.selected_node) - # Convert to array - state.selected_node = [state.selected_node] - - return state - - _loadFromStorage: -> - if @tree_widget.options.onGetStateFromStorage - return @tree_widget.options.onGetStateFromStorage() - else if @supportsLocalStorage() - return localStorage.getItem( - @getCookieName() - ) - else if $.cookie - $.cookie.raw = true - return $.cookie(@getCookieName()) - else - return null - - getState: -> - getOpenNodeIds = => - open_nodes = [] - - @tree_widget.tree.iterate((node) -> - if ( - node.is_open and - node.id and - node.hasChildren() - ) - open_nodes.push(node.id) - return true - ) - - return open_nodes - - getSelectedNodeIds = => - return (n.id for n in @tree_widget.getSelectedNodes()) - - return { - open_nodes: getOpenNodeIds(), - selected_node: getSelectedNodeIds() - } - - # Set initial state - # Don't handle nodes that are loaded on demand - # - # result: must load on demand - setInitialState: (state) -> - if not state - return false - else - must_load_on_demand = @_openInitialNodes(state.open_nodes) - - @_selectInitialNodes(state.selected_node) - - return must_load_on_demand - - _openInitialNodes: (node_ids) -> - must_load_on_demand = false - - for node_id in node_ids - node = @tree_widget.getNodeById(node_id) - - if node - if not node.load_on_demand - node.is_open = true - else - must_load_on_demand = true - - return must_load_on_demand - - _selectInitialNodes: (node_ids) -> - select_count = 0 - - for node_id in node_ids - node = @tree_widget.getNodeById(node_id) - - if node - select_count += 1 - - @tree_widget.select_node_handler.addToSelection(node) - - return select_count != 0 - - setInitialStateOnDemand: (state, cb_finished) -> - if state - @_setInitialStateOnDemand(state.open_nodes, state.selected_node, cb_finished) - else - cb_finished() - - _setInitialStateOnDemand: (node_ids, selected_nodes, cb_finished) -> - loading_count = 0 - - openNodes = => - new_nodes_ids = [] - - for node_id in node_ids - node = @tree_widget.getNodeById(node_id) - - if not node - new_nodes_ids.push(node_id) - else - if not node.is_loading - if node.load_on_demand - loadAndOpenNode(node) - else - @tree_widget._openNode(node, false) - - node_ids = new_nodes_ids - - if @_selectInitialNodes(selected_nodes) - @tree_widget._refreshElements() - - if loading_count == 0 - cb_finished() - - loadAndOpenNode = (node) => - loading_count += 1 - @tree_widget._openNode( - node, - false, - -> - loading_count -= 1 - openNodes() - ) - - openNodes() - - getCookieName: -> - if typeof @tree_widget.options.saveState is 'string' - return @tree_widget.options.saveState - else - return 'tree' - - supportsLocalStorage: -> - testSupport = -> - # Is local storage supported? - if not localStorage? - return false - else - # Check if it's possible to store an item. Safari does not allow this in private browsing mode. - try - key = '_storage_test' - sessionStorage.setItem(key, true) - sessionStorage.removeItem(key) - catch error - return false - - return true - - if not @_supportsLocalStorage? - @_supportsLocalStorage = testSupport() - - return @_supportsLocalStorage - - getNodeIdToBeSelected: -> - state = @getStateFromStorage() - - if state and state.selected_node - return state.selected_node[0] - else - return null - - -module.exports = SaveStateHandler |