flow.litcoffee

Flow

Flow {
    width: 90
    spacing.column: 15
    spacing.row: 5
    Rectangle { color: 'blue'; width: 60; height: 50; }
    Rectangle { color: 'green'; width: 20; height: 70; }
    Rectangle { color: 'red'; width: 50; height: 30; }
    Rectangle { color: 'yellow'; width: 20; height: 20; }
}

'use strict'

assert = require 'src/assert'
utils = require 'src/utils'

module.exports = (Renderer, Impl, itemUtils) -> class Flow extends Renderer.Item
    @__name__ = 'Flow'
    @__path__ = 'Renderer.Flow'

Flow Flow.New([Component component, Object options])

    @New = (component, opts) ->
        item = new Flow
        itemUtils.Object.initialize item, component, opts
        item.effectItem = item
        item

Flow Flow::constructor() : Item

    constructor: ->
        super()
        @_padding = null
        @_spacing = null
        @_alignment = null
        @_includeBorderMargins = false
        @_collapseMargins = false
        @_effectItem = null

    utils.defineProperty @::, 'effectItem', null, ->
        @_effectItem
    , (val) ->
        if val?
            assert.instanceOf val, Renderer.Item
        oldVal = @_effectItem
        @_effectItem = val
        Impl.setFlowEffectItem.call @, val, oldVal

Item.Margin Flow::padding

Signal Flow::onPaddingChange(Item.Margin padding)

    Renderer.Item.createMargin @,
        propertyName: 'padding'

Item.Spacing Flow::spacing

Signal Flow::onSpacingChange(Item.Spacing oldValue)

    Renderer.Item.createSpacing @

Item.Alignment Flow::alignment

Signal Flow::onAlignmentChange(Item.Alignment oldValue)

    Renderer.Item.createAlignment @

Boolean Flow::includeBorderMargins = false

Signal Flow::onIncludeBorderMarginsChange(Boolean oldValue)

    itemUtils.defineProperty
        constructor: @
        name: 'includeBorderMargins'
        defaultValue: false
        implementation: Impl.setFlowIncludeBorderMargins
        developmentSetter: (val) ->
            assert.isBoolean val

Boolean Flow::collapseMargins = false

Signal Flow::onCollapseMarginsChange(Boolean oldValue)

    itemUtils.defineProperty
        constructor: @
        name: 'collapseMargins'
        defaultValue: false
        implementation: Impl.setFlowCollapseMargins
        developmentSetter: (val) ->
            assert.isBoolean val