FLEX-35328 - Add ability to programmatic selection in MDL DropDownList
Project: http://git-wip-us.apache.org/repos/asf/flex-asjs/repo Commit: http://git-wip-us.apache.org/repos/asf/flex-asjs/commit/4b6de169 Tree: http://git-wip-us.apache.org/repos/asf/flex-asjs/tree/4b6de169 Diff: http://git-wip-us.apache.org/repos/asf/flex-asjs/diff/4b6de169 Branch: refs/heads/tlf Commit: 4b6de1691e02e2226deb5af4b81909907fff8bc1 Parents: f74836d Author: piotrz <pio...@apache.org> Authored: Sat Jun 24 16:24:56 2017 +0200 Committer: piotrz <pio...@apache.org> Committed: Sat Jun 24 16:24:56 2017 +0200 ---------------------------------------------------------------------- .../beads/controllers/DropDownListController.as | 12 +++-- .../flex/mdl/beads/views/DropDownListView.as | 47 +++++++++++++++++++- 2 files changed, 53 insertions(+), 6 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/4b6de169/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/controllers/DropDownListController.as ---------------------------------------------------------------------- diff --git a/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/controllers/DropDownListController.as b/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/controllers/DropDownListController.as index ed1a90c..149be7d 100644 --- a/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/controllers/DropDownListController.as +++ b/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/controllers/DropDownListController.as @@ -83,10 +83,14 @@ package org.apache.flex.mdl.beads.controllers COMPILE::JS private function onSelectChanged(event:Event):void { - var eventTarget:Object = event.target; - - model.selectedIndex = eventTarget.selectedIndex; - model.selectedItem = model.dataProvider[model.selectedIndex]; + var eventTarget:Object = event.target; + var selectedIndex:int = eventTarget.selectedIndex - 1; + + if (model.selectedIndex != selectedIndex) + { + model.selectedIndex = selectedIndex; + model.selectedItem = model.dataProvider[selectedIndex]; + } } } } http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/4b6de169/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/views/DropDownListView.as ---------------------------------------------------------------------- diff --git a/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/views/DropDownListView.as b/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/views/DropDownListView.as index e3c1658..cad3e0d 100644 --- a/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/views/DropDownListView.as +++ b/frameworks/projects/MaterialDesignLite/src/main/flex/org/apache/flex/mdl/beads/views/DropDownListView.as @@ -18,6 +18,7 @@ //////////////////////////////////////////////////////////////////////////////// package org.apache.flex.mdl.beads.views { + import org.apache.flex.core.ISelectionModel; import org.apache.flex.core.IStrand; import org.apache.flex.html.Option; import org.apache.flex.html.Select; @@ -27,8 +28,7 @@ package org.apache.flex.mdl.beads.views /** * The DropDownListView class creates the visual elements of the org.apache.flex.mdl.DropDownList - * component. The job of the view bead is to put together the parts of the DropDownList such as the Label - * control and material icon ARROW_DROP_DOWN to trigger the pop-up. + * component. The job of the view bead is to put together the parts of the DropDownList such as the Select and Label * * @viewbead * @langversion 3.0 @@ -79,9 +79,39 @@ package org.apache.flex.mdl.beads.views } } + override protected function dataProviderChangeHandler(event:Event):void + { + super.dataProviderChangeHandler(event); + + COMPILE::JS + { + setProgrammaticallyChangedSelection(); + } + } + + override protected function itemsCreatedHandler(event:org.apache.flex.events.Event):void + { + super.itemsCreatedHandler(event); + + COMPILE::JS + { + setProgrammaticallyChangedSelection(); + } + } + + private function selectionChangeHandler(event:Event):void + { + COMPILE::JS + { + setProgrammaticallyChangedSelection(); + } + } + override protected function handleInitComplete(event:Event):void { super.handleInitComplete(event); + + dataModel.addEventListener("selectedIndexChanged", selectionChangeHandler); COMPILE::JS { @@ -98,5 +128,18 @@ package org.apache.flex.mdl.beads.views dropDownList.labelDisplay.htmlFor = name; dropDownList.dropDown.element.name = name; } + + COMPILE::JS + private function setProgrammaticallyChangedSelection():void + { + var dropDownList:DropDownList = (_strand as DropDownList); + var selectedIndex:int = dropDownList.dropDown.element["selectedIndex"] - 1; + var model:ISelectionModel = dataModel as ISelectionModel; + + if (model.selectedIndex > -1 && model.dataProvider && model.selectedIndex != selectedIndex) + { + dropDownList.dropDown.element["selectedIndex"] = model.selectedIndex + 1; + } + } } } \ No newline at end of file
