A grid to display data in tree structure by using Angular and Bootstrap.

Feel free to whatever you want to do with it.

Include src/treeGrid.css and src/tree-grid-directive.js in your HTML file after Bootstrap and Angular. Just add the following

  <tree-grid tree-data="tree_data"></tree-grid>

Then include the module as a dependency in your application:

angular.module('myApp', ['treeGrid'])

tree_data: is an array of objects. If object has child put them in children array of the object. an example of tree-data will look like:

 $scope.tree_data = [
     {Name:"USA",Area:9826675,Population:318212000,TimeZone:"UTC -5 to -10",
      children:[
		{Name:"California", Area:423970,Population:38340000,TimeZone:"Pacific Time",
			children:[
				{Name:"San Francisco", Area:231,Population:837442,TimeZone:"PST"},
				{Name:"Los Angeles", Area:503,Population:3904657,TimeZone:"PST"}
			]
		},
		{Name:"Illinois", Area:57914,Population:12882135,TimeZone:"Central Time Zone",
			children:[
				{Name:"Chicago", Area:234,Population:2695598,TimeZone:"CST"}
			]
		}
	]
  },	
  {Name:"Texas",Area:268581,Population:26448193,TimeZone:"Mountain"}
  ];

if you have an array sorted by primary key and parent Key, you can use the getTree method inside the temp folder.

If you want more customization, you can use the following options:

<tree-grid 
    tree-data     = "tree_data"
    col-defs      = "col_defs"
    expand-on     = "expanding_property"
    tree-control  = "my_tree"
    icon-leaf     = "icon-file"
    icon-expand   = "icon-plus-sign"
    icon-collapse = "icon-minus-sign"
    on-select     = "my_tree_handler(branch)"
    on-click      = "my_tree_handler(branch)"
    template-url  = "path/to/treegrid/template.html"
    expand-level  = "2">
</tree-grid>

col_defs: is an array of objects that allows you to customized column header. If displayName is not provided, field (object property) is used as displayName.

Valid properties are:

field:        Hook to the field to know the column position in the table.
displayName:  Text that will be used in the column header.
cellTemplate: Template that will be used to show the value. Useful if you want to show images, for instance.

Example:

 $scope.col_defs = [
  {  field: "Description" },
  {
    field: "DemographicId",
    displayName: "Demographic Id"
  },
  {
    field: "ParentId",
    displayName: "Parent Id"
  },
  { field: "Area" },
  { field: "Population" },
  {
    field: "image",
    displayName: "Image",
    cellTemplate: "<img ng-src="{{ row.branch[col.field] }}" />"
  }
];

expanding_property: this is the property of the objects in tree_data where you want to put the ability to expand and collapse.

my_tree: you can use tree-control to use expand all and collapse all. Check it out in the link provided for demo.

icons: define Font Awesome, Bootstrap Glyphicon for expand, collapse and leaf.

template-url: URL for the custom template to be used.

expand-level: depth of the tree, you want to expand while loading.

on-select: a click handler while you are clicking on +/- icons.

    $scope.my_tree_handler = function(branch){
     	console.log('you clicked on', branch)
    }

on-click: a click handler while you are clicking on the expanding property, useful when you need to redirect if a branch is selected.

    $scope.my_tree_handler = function(branch){
        console.log('you clicked on', branch)
    }

There are two ways to specify the template of the pagination controls directive:

1. Use the `treegridTemplateProvider in your app's config block to set a global template for your app:

   myApp.config(function(treegridTemplateProvider) {
       treegridTemplateProvider.setPath('path/to/treegrid/template.html');
   });
   

2. Use the template-url attribute on each treegrid directive to override a specific instance:

   <tree-grid tree-data="treegrid" col-defs="col_defs" template-url="path/to/treegrid/template.html"></tree-grid>
   

First, set the tree_data to an empty array:

$scope.tree_data = [];

Later, execute the query using promises and update the tree_data value with the resolved objects:

APIEndpoint
	.find()
	.then(function(objects){
		$scope.tree_data = prepareDataForTreegrid(objects);
	});

If for any reason you want to use a custom HTML to show a specific cell, for showing an image, colorpicker, or something else, you can use the cellTemplate option in the col-defs array, just use {{ row.branch[col.field] }} as the placeholder for the value of the cell anywhere in the HTML.

Example:

$scope.col_defs = [
  {
    field: "DemographicId",
    displayName: "Demographic Id",
    cellTemplate: "<img ng-src="{{ row.branch[col.field] }}" />"
  }
];

You can use whatever HTML you want, and all Angular directives will work as expected.