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Overview

The editor is build using Bootstrap 4 and jQuery.

The editor html is located in index.html and to load the demo editor the following scripts are included.

<!-- jquery-->
<script src="js/jquery.min.js"></script>
<!-- Enable shortcut support such as ctrl+z for undo and ctrl+e for export etc-->
<script src="js/jquery.hotkeys.js"></script>


<!-- bootstrap-->
<script src="js/popper.min.js"></script>
<script src="js/bootstrap.min.js"></script>

<!-- builder code-->
<!-- This is the main editor code -->
<script src="libs/builder/builder.js"></script>

<!-- undo manager-->
<script src="libs/builder/undo.js"></script>

<!-- inputs-->
<!-- The inputs library, here is the code for inputs such as text, select etc used for component properties -->
<script src="libs/builder/inputs.js"></script>

<!-- components-->
<!-- Components for Bootstrap 4 group -->
<script src="libs/builder/components-bootstrap4.js"></script>
<!-- Components for Widgets group -->
<script src="libs/builder/components-widgets.js"></script>


<!-- plugins -->

<!-- code mirror libraries - code editor syntax highlighting for html editor -->
<link href="libs/codemirror/lib/codemirror.css" rel="stylesheet"/>
<link href="libs/codemirror/theme/material.css" rel="stylesheet"/>
<script src="libs/codemirror/lib/codemirror.js"></script>
<script src="libs/codemirror/lib/xml.js"></script>
<script src="libs/codemirror/lib/formatting.js"></script>

<!-- code mirror smaller plugin -->
<!-- replaces default textarea as html code editor with codemirror-->
<script src="libs/builder/plugin-codemirror.js"></script>	

To initialize the editor Smaller.Builder.init is called.

The first parameter is the url to load for editing, this must be on the same subdomain to allow editing.

The second parameter is a function to call when the page is finished loading, by default the editor Gui.init() is called.

$(document).ready(function() 
{
	Smaller.Builder.init('demo/index.html', function() {
		//load code after page is loaded here
		Smaller.Gui.init();
	});
});
</script>

Structure

img/structure.png

Component Group is a collection of Components, for example Bootstrap 4 group is composed of Components such as Button and Grid, this object is used only for grouping components in the editor left panel.

For example Widgets component group has only two components video and maps and is defined as

Smaller.ComponentsGroup['Widgets'] = ["widgets/googlemaps", "widgets/video"];

A Component is an object that provides html that can be dropped on the canvas and also properties that can be edited when the component is selected, for example Video Component.

The html link Component that has Url and Target properties is defined as

Smaller.Components.extend("_base", "html/link", {
    nodes: ["a"],
    name: "Link",
    properties: [{
        name: "Url",
        key: "href",
        htmlAttr: "href",
        inputtype: LinkInput
    }, {
        name: "Target",
        key: "target",
        htmlAttr: "target",
        inputtype: TextInput
    }]
});

An Input object is used in Component properties collection for editing the property, for example text input, select, color, grid row etc For example TextInput extends Input object and is defined as

var TextInput = $.extend({}, Input, {

    events: {
        "keyup": ['onChange', 'input'],
	 },

	setValue: function(value) {
		$('input', this.element).val(value);
	},
	
	init: function(data) {
		return this.render("textinput", data);
	},
  }
);

Inputs also require a template that is defined as a <script> tag in the editor html (inside index.html) with the id smaller-input-inputname for example for text input is smaller-input-textinput and is defined as

<script id="smaller-input-textinput" type="text/html">
	
	<div>
		<input name="{%=key%}" type="text" class="form-control"/>
	</div>
	
</script>