Tree - InitialExpand & CollapseAll
This example shows the initial expand state and how to collapse all nodes.
Z2UI5_CL_SMPC_APP_602
Controls
sap.m
UI5 1.71
The facts
- Repository
- abap2UI5/samples-controls
- Class
Z2UI5_CL_SMPC_APP_602- Source file
z2ui5_cl_smpc_app_602.clas.abap↗- Library
- sap.m
- UI5 entity
sap.m.Tree- Demo kit sample
sap.m.sample.TreeExpandTo- SAP's own sample
- running at sdk.openui5.org ↗
- Minimum UI5
- 1.71 — the floor abap2UI5 holds its samples to
- In the playground
- runs in the browser, with no system and nothing installed
Keywords: tree, sap.m, treeexpandto, text, toolbarspacer, select, item, button, standardtreeitem
Controls it builds
- sap.m.Button
- sap.m.OverflowToolbar
- sap.m.Select
- sap.m.StandardTreeItem
- sap.m.Text
- sap.m.ToolbarSpacer
- sap.m.Tree
- sap.ui.core.Item
- sap.ui.core.mvc.View
Read out of the builder chain by the abap2UI5 linter, not from the category this sample is filed under — which is what makes “which samples build one of these” a question the catalogue can answer at all.
Libraries
Run it here
The sample running, in this page — the app on its own, with no editor over it.
Switch to Playground with this code
Nothing is installed and nothing is sent anywhere: the ABAP is compiled to JavaScript in this browser and runs against abap2UI5 itself.
The ABAP
z2ui5_cl_smpc_app_602.clas.abap — 246 lines
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Read it on GitHub ↗
" @keywords tree sap.m treeexpandto text toolbarspacer select item button standardtreeitem
" @summary This example shows the initial expand state and how to collapse all nodes.
CLASS z2ui5_cl_smpc_app_602 DEFINITION PUBLIC.
PUBLIC SECTION.
INTERFACES z2ui5_if_app.
TYPES:
BEGIN OF ty_s_node_level5,
text TYPE string,
ref TYPE string,
END OF ty_s_node_level5,
BEGIN OF ty_s_node_level4,
text TYPE string,
ref TYPE string,
nodes TYPE STANDARD TABLE OF ty_s_node_level5 WITH EMPTY KEY,
END OF ty_s_node_level4,
BEGIN OF ty_s_node_level3,
text TYPE string,
ref TYPE string,
nodes TYPE STANDARD TABLE OF ty_s_node_level4 WITH EMPTY KEY,
END OF ty_s_node_level3,
BEGIN OF ty_s_node_level2,
text TYPE string,
ref TYPE string,
nodes TYPE STANDARD TABLE OF ty_s_node_level3 WITH EMPTY KEY,
END OF ty_s_node_level2,
BEGIN OF ty_s_node_level1,
text TYPE string,
ref TYPE string,
nodes TYPE STANDARD TABLE OF ty_s_node_level2 WITH EMPTY KEY,
END OF ty_s_node_level1.
DATA t_nodes TYPE STANDARD TABLE OF ty_s_node_level1 WITH EMPTY KEY.
PROTECTED SECTION.
DATA client TYPE REF TO z2ui5_if_client.
METHODS view_display.
METHODS model_init.
PRIVATE SECTION.
ENDCLASS.
CLASS z2ui5_cl_smpc_app_602 IMPLEMENTATION.
METHOD z2ui5_if_app~main.
me->client = client.
IF client->check_on_init( ).
model_init( ).
view_display( ).
ELSEIF client->check_on_navigated( ).
view_display( ).
ENDIF.
ENDMETHOD.
METHOD view_display.
DATA(view) = z2ui5_cl_ui5_view_builder=>factory( ).
DATA(root) = view->ele( n = `View` ns = `mvc`
)->a( n = `xmlns` v = `sap.m`
)->a( n = `xmlns:core` v = `sap.ui.core`
)->a( n = `xmlns:mvc` v = `sap.ui.core.mvc` ).
root->ele( `OverflowToolbar`
)->ele( `content`
)->tag( `Text`
)->a( n = `text` v = `Initially expand to Level1`
)->tag( `ToolbarSpacer`
)->tag( `Text`
)->a( n = `text` v = `Expand to level `
" handleSelectChange does tree.expandToLevel( selectedItem.getKey( ) );
" expandToLevel is whitelisted, so the change is a roundtrip-free
" frontend action carrying the picked key (app 248/365 idiom)
)->ele( `Select`
)->a( n = `selectedKey` v = `1`
)->a( n = `change` v = client->follow_up_action( val = client->cs_event-control_by_id
t_arg = VALUE #( ( `Tree` )
( `expandToLevel` )
( `${$parameters>/selectedItem}.getKey()` ) ) )
)->ele( `items`
)->tag( n = `Item` ns = `core`
)->a( n = `key` v = `0`
)->a( n = `text` v = `0`
)->tag( n = `Item` ns = `core`
)->a( n = `key` v = `1`
)->a( n = `text` v = `1`
)->tag( n = `Item` ns = `core`
)->a( n = `key` v = `2`
)->a( n = `text` v = `2`
)->tag( n = `Item` ns = `core`
)->a( n = `key` v = `3`
)->a( n = `text` v = `3`
)->tag( n = `Item` ns = `core`
)->a( n = `key` v = `4`
)->a( n = `text` v = `4`
)->end(
)->end(
)->tag( `Button`
)->a( n = `id` v = `collapseAll`
)->a( n = `text` v = `collapse all nodes`
)->a( n = `press` v = client->follow_up_action( val = client->cs_event-control_by_id
t_arg = VALUE #( ( `Tree` ) ( `collapseAll` ) ) )
)->end(
)->end( ).
root->ele( `Tree`
)->a( n = `id` v = `Tree`
" items path '/' - bind the root table; the nested `nodes` drive the depth
)->a( n = `items` v = client->_bind( t_nodes )
)->tag( `StandardTreeItem`
)->a( n = `title` v = `{TEXT}`
)->end( ).
" onInit does tree.expandToLevel( 1 ), which is what the Select's own
" selectedKey='1' announces
client->follow_up_action( val = client->cs_event-control_by_id
t_arg = VALUE #( ( `Tree` ) ( `expandToLevel` ) ( `1` ) ) ).
client->view_display( view->stringify( ) ).
ENDMETHOD.
METHOD model_init.
t_nodes = VALUE #(
( text = `Node1`
ref = `sap-icon://attachment-audio`
nodes = VALUE #(
( text = `Node1-1`
ref = `sap-icon://attachment-e-pub`
nodes = VALUE #(
( text = `Node1-1-1`
ref = `sap-icon://attachment-html` )
( text = `Node1-1-2`
ref = `sap-icon://attachment-photo`
nodes = VALUE #(
( text = `Node1-1-2-1`
ref = `sap-icon://attachment-text-file`
nodes = VALUE #(
( text = `Node1-1-2-1-1`
ref = `sap-icon://attachment-video` )
( text = `Node1-1-2-1-2`
ref = `sap-icon://attachment-zip-file` )
( text = `Node1-1-2-1-3`
ref = `sap-icon://course-program` ) ) ) ) ) ) )
( text = `Node1-2`
ref = `sap-icon://create`
nodes = VALUE #(
( text = `Node1-2-1`
ref = `sap-icon://attachment-html` )
( text = `Node1-2-2`
ref = `sap-icon://attachment-photo`
nodes = VALUE #(
( text = `Node1-2-2-1`
ref = `sap-icon://attachment-text-file`
nodes = VALUE #(
( text = `Node1-2-2-1-1`
ref = `sap-icon://attachment-video` )
( text = `Node1-2-2-1-2`
ref = `sap-icon://attachment-zip-file` )
( text = `Node1-2-2-1-3`
ref = `sap-icon://course-program` ) ) ) ) ) ) )
( text = `Node1-3`
ref = `sap-icon://create`
nodes = VALUE #(
( text = `Node1-3-1`
ref = `sap-icon://attachment-html` )
( text = `Node1-3-2`
ref = `sap-icon://attachment-photo`
nodes = VALUE #(
( text = `Node1-3-2-1`
ref = `sap-icon://attachment-text-file`
nodes = VALUE #(
( text = `Node1-3-2-1-1`
ref = `sap-icon://attachment-video` )
( text = `Node1-3-2-1-2`
ref = `sap-icon://attachment-zip-file` )
( text = `Node1-3-2-1-3`
ref = `sap-icon://course-program` ) ) ) ) ) ) )
( text = `Node1-4`
ref = `sap-icon://attachment-e-pub`
nodes = VALUE #(
( text = `Node1-4-1`
ref = `sap-icon://attachment-html` )
( text = `Node1-4-2`
ref = `sap-icon://attachment-photo`
nodes = VALUE #(
( text = `Node1-4-2-1`
ref = `sap-icon://attachment-text-file`
nodes = VALUE #(
( text = `Node1-4-2-1-1`
ref = `sap-icon://attachment-video` )
( text = `Node1-4-2-1-2`
ref = `sap-icon://attachment-zip-file` )
( text = `Node1-4-2-1-3`
ref = `sap-icon://course-program` ) ) ) ) ) ) )
( text = `Node1-5`
ref = `sap-icon://attachment-e-pub`
nodes = VALUE #(
( text = `Node1-5-1`
ref = `sap-icon://attachment-html` )
( text = `Node1-5-2`
ref = `sap-icon://attachment-photo`
nodes = VALUE #(
( text = `Node1-5-2-1`
ref = `sap-icon://attachment-text-file`
nodes = VALUE #(
( text = `Node1-5-2-1-1`
ref = `sap-icon://attachment-video` )
( text = `Node1-5-2-1-2`
ref = `sap-icon://attachment-zip-file` )
( text = `Node1-5-2-1-3`
ref = `sap-icon://course-program` ) ) ) ) ) ) )
( text = `Node1-6`
ref = `sap-icon://attachment-e-pub`
nodes = VALUE #(
( text = `Node1-6-1`
ref = `sap-icon://attachment-html` )
( text = `Node1-6-2`
ref = `sap-icon://attachment-photo`
nodes = VALUE #(
( text = `Node1-6-2-1`
ref = `sap-icon://attachment-text-file`
nodes = VALUE #(
( text = `Node1-6-2-1-1`
ref = `sap-icon://attachment-video` )
( text = `Node1-6-2-1-2`
ref = `sap-icon://attachment-zip-file` )
( text = `Node1-6-2-1-3`
ref = `sap-icon://course-program` ) ) ) ) ) ) ) ) )
( text = `Node2`
ref = `sap-icon://customer-financial-fact-sheet` ) ).
ENDMETHOD.
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