Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

server-side processing data support #189

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

server-side processing data support #189

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
fbc83f1
server-side processing data support
Feb 5, 2016
eccc251
improve error hint
Feb 15, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
59 changes: 54 additions & 5 deletions angular-tree-control.js
100644 → 100755
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
}
(function ( angular ) {
'use strict';

var place_holder_symbol = "place_holder_symbol";

angular.module( 'treeControl', [] )
.constant('treeConfig', {
Expand Down Expand Up @@ -41,6 +43,7 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
expandedNodes: "=?",
onSelection: "&",
onNodeToggle: "&",
onNodeRequestData: '&',
options: "=?",
orderBy: "@",
reverseOrder: "@",
Expand Down Expand Up @@ -86,6 +89,18 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
return true;
}

function isPlaceHolderSymbol(node) {
return node.placeHolderSymbol == place_holder_symbol;
}

function isNeedExpandRequestData(node) {
return (angular.isArray(node[$scope.options.nodeChildren]) && node[$scope.options.nodeChildren].length == 1 && isPlaceHolderSymbol(node[$scope.options.nodeChildren][0]));
}

$scope.getParentNode = function(transcludedScope) {
return (transcludedScope.$parent.node === transcludedScope.synteticRoot)?null:transcludedScope.$parent.node;
};

$scope.options = $scope.options || {};
ensureDefault($scope.options, "multiSelection", false);
ensureDefault($scope.options, "nodeChildren", "children");
Expand All @@ -103,7 +118,8 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
ensureDefault($scope.options, "isLeaf", defaultIsLeaf);
ensureDefault($scope.options, "allowDeselect", true);
ensureDefault($scope.options, "isSelectable", defaultIsSelectable);

ensureDefault($scope.options, "serverSide", false);

$scope.selectedNodes = $scope.selectedNodes || [];
$scope.expandedNodes = $scope.expandedNodes || [];
$scope.expandedNodesMap = {};
Expand Down Expand Up @@ -150,9 +166,7 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
return !!$scope.expandedNodesMap[this.$id];
};

$scope.selectNodeHead = function() {
var transcludedScope = this;
var expanding = $scope.expandedNodesMap[transcludedScope.$id] === undefined;
$scope.toggleNode = function(transcludedScope, expanding) {
$scope.expandedNodesMap[transcludedScope.$id] = (expanding ? transcludedScope.node : undefined);
if (expanding) {
$scope.expandedNodes.push(transcludedScope.node);
Expand All @@ -168,12 +182,43 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
$scope.expandedNodes.splice(index, 1);
}
if ($scope.onNodeToggle) {
var parentNode = (transcludedScope.$parent.node === transcludedScope.synteticRoot)?null:transcludedScope.$parent.node;
var parentNode = $scope.getParentNode(transcludedScope);
$scope.onNodeToggle({node: transcludedScope.node, $parentNode: parentNode,
$index: transcludedScope.$index, $first: transcludedScope.$first, $middle: transcludedScope.$middle,
$last: transcludedScope.$last, $odd: transcludedScope.$odd, $even: transcludedScope.$even, expanded: expanding});

}
}

$scope.selectNodeHead = function() {
var transcludedScope = this;
var expanding = $scope.expandedNodesMap[transcludedScope.$id] === undefined;

if (expanding && $scope.onNodeRequestData && isNeedExpandRequestData(transcludedScope.node)) {
var nodeBuffer = [],
parentNode = $scope.getParentNode(transcludedScope),
promise = $scope.onNodeRequestData({node: nodeBuffer, $parentNode: parentNode,
$index: transcludedScope.$index, $first: transcludedScope.$first, $middle: transcludedScope.$middle,
$last: transcludedScope.$last, $odd: transcludedScope.$odd, $even: transcludedScope.$even, expanded: expanding});
if (promise) {
if ((angular.isObject(promise) || angular.isFunction(promise)) && angular.isFunction(promise.then)){
promise.then(function() {
if (angular.isArray(nodeBuffer) && nodeBuffer.length > 0) {
transcludedScope.node[$scope.options.nodeChildren] = angular.copy(nodeBuffer);
} else {
transcludedScope.node[$scope.options.nodeChildren] = [];
}
$scope.toggleNode(transcludedScope, expanding);
});
} else {
throw("the return of on-node-request-data must be a promise");
}
} else {
throw("on-node-request-data must be defined in serverSide mode");
}
} else {
$scope.toggleNode(transcludedScope, expanding);
}
};

$scope.selectNodeLabel = function( selectedNode){
Expand Down Expand Up @@ -285,6 +330,7 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
return function ( scope, element, attrs, treemodelCntr ) {

scope.$watch("treeModel", function updateNodeOnRootScope(newValue) {

if (angular.isArray(newValue)) {
if (angular.isDefined(scope.node) && angular.equals(scope.node[scope.options.nodeChildren], newValue))
return;
Expand Down Expand Up @@ -351,6 +397,9 @@ if (typeof module !== "undefined" && typeof exports !== "undefined" && module.ex
return {
restrict: 'A',
link: function($scope, $element, $attrs) {
if ($scope.options.serverSide && typeof $scope.node[$scope.options.nodeChildren] == "undefined") {
$scope.node[$scope.options.nodeChildren] = [{placeHolderSymbol: place_holder_symbol}];
}
$element.data('node', $scope.node);
$element.data('scope-id', $scope.$id);
}
Expand Down