Select (Bootstrap)

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Revision as of 14:22, 2 February 2019 by Ghenne (talk | contribs) (Output)
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Bsselect.png

Description

Provides a popdown list of items which can be selected. Multiple selections are allowed.

Compared the Dropdown control, it acts more like other Input controls, with a header and a footer. Dropdown acts more like a button and does not allow multiple selections.

Popovers and Tooltips are supported.

Note: Changes were made to the Bootstrap 4 version of this control, starting with AppStudio 7.2.

  • .addItem changed from(item, type) to (text, value, selected, disabled)
  • .value renamed to .item
  • .value now saves the internal value for the item.

For more information, read this blog post.

Properties and Methods

Standard properties are supported, plus:

addItem(text, value, selected, disabled) Adds an item with text and value to the end of the list. selected and disabled are booleans. Runtime. See Note above about important changes.
badge Adds a Badge to the control. Design Time and Runtime.
clear Clears all items. Runtime.
icon An optional icon to appear at the top of the list. Design Time and Runtime.
items Items to show, one per line. Prefix * for disabled, > for selected, ! for heading (not all controls support headings). Design Time.
multiSelect Can multiple items be selected? Design Time.
length Current number of items. Runtime.
size Maximum number of rows to display. Default is 1 (4 if multiSelect). Design Time.
item Gets or sets the number of the current selection, starting from 0. If setting, the item needs to exist as a choice already. If multiple items selected, value returns an array. Run Time. See Note above about important changes.
text Gets or sets the text of the current selection. If setting, the text needs to exist as a choice already. If multiple items selected, value returns an array. Run Time. See Note above about important changes.
value Gets or sets the value of the current selection. Use this to keep additional information about the item, like an index number. If multiple items selected, value returns an array. Cannot set multiple selections. Run Time. See Note above about important changes.
values List of values, corresponding to each item. One per line. Design Time. See Note above about important changes.

Events

Standard events are supported. For this control, the onclick event will be most useful.

Example (Basic)

Function Select1_onchange()
  MsgBox "Choice is " & Select1.value
End Function

Example (JavaScript)

Select1.onchange = function() {
  NSB.MsgBox("Choice is " + Select1.value);
};

Output