# Item.Document

    'use strict'

    utils = require 'src/utils'
    signal = require 'src/signal'
    assert = require 'src/assert'
    log = require 'src/log'

    log = log.scope 'Renderer', 'Document'

# **Class** Document

    module.exports = (Renderer, Impl, itemUtils, Item) -> (ctor) -> class ItemDocument extends itemUtils.DeepObject
        Document = require 'src/document'
        DocElement = Document.Element
        DocTag = DocElement.Tag
        DocText = DocElement.Text

        @__name__ = 'Document'

        itemUtils.defineProperty
            constructor: ctor
            name: 'document'
            valueConstructor: ItemDocument

        constructor: (ref) ->
            super ref
            @_node = null
            @_query = ''

            Object.seal @

## ReadOnly *String* Document::query

        utils.defineProperty @::, 'query', null, ->
            @_query
        , (val) ->
            if @_query is ''
                @_query = val
            return

## *Document.Element* Document::node

## *Signal* Document::onNodeChange(*Document.Element* oldValue)

```javascript
Text {
    text: this.document.node.props.value
}
```

```javascript
Text {
    document.onNodeChange: function(){
        var inputs = this.document.node.queryAll('input[type=string]');
    }
}
```

        itemUtils.defineProperty
            constructor: @
            name: 'node'
            defaultValue: null
            namespace: 'document'
            parentConstructor: ctor
            developmentSetter: (val) ->
                if val?
                    assert.instanceOf val, DocElement

# Glossary

- [Item.Document](#class-document)