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layout.js
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layout.js
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var block = require('./block')
var yeah = require('yeah')
var util = require('./util')
/**
*
* A block can only be assigned to 1-layout
* A a block name must be unique
*
*/
function Layout () {
var root = this.root = new block({name:'root'})
this.map = {
root: root
}
}
Layout.prototype = util.protoify({
/**
*
*
*/
removeChild: function ( reference, block ) {
},
/**
*
*
*/
addChild: function ( reference, block ) {
// Little safety here
if (arguments.length == 1) {
block = reference
reference = "root"
}
var parent = this.reference(reference)
parent && parent.setBlock(block)
block.parent = parent
block.layout = this
if (block.name) {
this.map[block.name] = block
}
return this
},
/**
*
* todo: Should be queryable.
*/
hasChild: function ( name ) {
return Boolean(this.reference(name))
},
/**
*
*
*/
reference: function ( name ) {
return this.map[name]
}
}, yeah.prototype)
Layout.create = util.create
module.exports = Layout