WML <do> Tag

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The <do> tag can be used to activate a task when the user clicks on a word/phrase on the screen.

Attributes:

This element supports the following attributes:

AttributeValueDescription
nametextSets a name for the <do> element.
labelstringSets a label for the <do> element.
type
  • accept
  • prev
  • help
  • reset
  • options
  • delete
  • unknown
  • x-*
  • vnd.*
Defines the type of the <do> element
valuenumber Specifies the timer after which timer will be expired. Timeouts are specified in units of a tenth of a second.
classclass_dataSets a class name for the element.
idelement IDA unique ID for the element.

Example:

Following is the example showing usage of <do> element along with <go> element.

<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.3//EN" 
"http://www.wapforum.org/DTD/wml13.dtd">

<wml>
  <template>
    <do name="main_menu" type="accept" label="Chapters">
      <go href="chapters"/>
    </do>
    <do name="menu_1" type="accept" label="Chapter 1">

      <go href="#chapter1"/>
    </do>
    <do name="menu_2" type="accept" label="Chapter 2">
      <go href="#chapter2"/>
    </do>
    <do name="menu_3" type="accept" label="Chapter 3">

      <go href="#chapter3"/>
    </do>
    <do name="menu_4" type="accept" label="Chapter 4">
      <go href="#chapter4"/>
    </do>
  </template>

  <card id="chapters" title="WML Tutorial">
    <p>
      Select One Chapter:<br/>
      <anchor>
        <go href="#chapter1"/>

        Chapter 1: WML Overview
      </anchor><br />

      <anchor>
        <go href="#chapter2"/>
        Chapter 2: WML Environment
      </anchor><br />

      <anchor>
        <go href="#chapter3"/>
        Chapter 3: WML Syntax
      </anchor><br />

      <anchor>
        <go href="#chapter4"/>

        Chapter 4: WML Elements
      </anchor><br />
    </p>
  </card>

  <card id="chapter1" title="WML Tutorial Ch1">
    <p>

      <em>Chapter 1: WML Introduction</em><br/>
      ...
    </p>
  </card>

  <card id="chapter2" title="WML Tutorial Ch2">

    <p>
      <em>Chapter 2: WML Environment</em><br/>
      ...
    </p>
  </card>

  <card id="chapter3" title="WML Tutorial Ch3">
    <p>
      <em>Chapter 3: WML Syntax</em><br/>
      ...
    </p>
  </card>

  <card id="chapter4" title="WML Tutorial Ch4">
    <p>
      <em>Chapter 4: WML Elements</em><br/>
      ...
    </p>

  </card>
</wml>

This will produce the following menu and now you can navigate through all the chapters:

WAP Example 11


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