Textarea

A control that allows a user to enter a simple multi-line text.

Textarea control

Related sample:  Form. All DhxForm Inputs

Related sample:  Form. Textareas

Adding Textarea

You can easily add a Textarea control during initialization of a form:

var form = new dhx.Form("form_container", {
    rows: [
        {
            type: "textarea",
            name:"textarea",
            label: "textarea",
            labelWidth: "70px",
            value: "Some nice text",
            width:400
        }
    ]
});

Attributes

You can provide the following attributes in the configuration object of a Textarea:

Working with Textarea

You can manipulate a Textarea control by using methods (or events) of the object returned by the getItem() method.

For example, you can get the value of the control:

var value = form.getItem("textarea").getValue();

List of the control methods:

clear clears a value of a Textarea control
clearValidate clears validation of a Textarea control
disable disables a Textarea control on a page
enable enables a disabled Textarea control
focus sets focus to a control
getProperties returns an object with the available configuration attributes of the control
getValue returns the current value of a Textarea control
hide hides a Textarea control
isDisabled checks whether a Textarea control is disabled
isVisible checks whether a Textarea control is visible on the page
setProperties allows changing available configuration attributes of the control dynamically
setValue sets the value for a Textarea control
show shows a Textarea control on the page
validate validates a Textarea control

List of the control events:

afterChangeProperties fires after configuration attributes of the control have been changed dynamically
afterHide fires after a control is hidden
afterShow fires after a control is shown
afterValidate fires after the control value is validated
beforeChangeProperties fires before configuration attributes of the control are changed dynamically
beforeHide fires before a control is hidden
beforeShow fires before a control is shown
beforeValidate fires before the control value is validated
change fires on changing the value of a control
input fires when a user types some text in the textarea
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