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# javascript(n) 1.0.2 tcllib "HTML and Java Script Generation"

## Name

javascript - Procedures to generate HTML and Java Script structures.

## Synopsis

- package require Tcl 8
- package require javascript ?1.0.2?

- ::javascript::makeSelectorWidget id leftLabel leftValueList rightLabel rightValueList rightNameList ?length? ?minWidth?
- ::javascript::makeSubmitButton name value
- ::javascript::makeProtectedSubmitButton name value msg
- ::javascript::makeMasterButton master value slavePattern boolean
- ::javascript::makeParentCheckbox parentName childName
- ::javascript::makeChildCheckbox parentName childName

## Description

The ::javascript package provides commands that generate HTML and Java Script code. These commands typically return an HTML string as their result. In particular, they do not output their result to stdout.

::javascript::makeSelectorWidget id leftLabel leftValueList rightLabel rightValueList rightNameList ?length? ?minWidth?

  Construct HTML code to create a dual-multi-selection megawidget. This megawidget consists of two side-by-side multi-selection boxes separated by a left arrow and a right arrow button. The right arrow button moves all items selected in the left box to the right box. The left arrow button moves all items selected in the right box to the left box. The id argument is the suffix of all HTML objects in this megawidget. The leftLabel argument is the text that appears above the left selection box. The leftValueList argument is the values of items in the left selection box. The leftNameList argument is the names to appear in the left selection box. The rightLabel argument is the text that appears above the right selection box. The rightValueList argument is the values of items in the right selection box. The rightNameList argument is the names to appear in the right selection box. The length argument (optional) determines the number of elts to show before adding a vertical scrollbar; it defaults to 8. The minWidth argument (optional) is the number of spaces to determine the minimum box width; it defaults to 32.

::javascript::makeSubmitButton name value

  Create an HTML submit button that resets a hidden field for each registered multi-selection box. The name argument is the name of the HTML button object to create. The value argument is the label of the HTML button object to create.

::javascript::makeProtectedSubmitButton name value msg

  Create an HTML submit button that prompts the user with a continue/cancel shutdown warning before the form is submitted. The name argument is the name of the HTML button object to create. The value argument is the label of the HTML button object to create. The msg argument is the message to display when the button is pressed.

::javascript::makeMasterButton master value slavePattern boolean

  Create an HTML button that sets its slave checkboxs to the boolean value. The master argument is the name of the child's parent html checkbox object. The value argument is the value of the master. The slaves argument is the name of child html checkbox object to create. The boolean argument is the java script boolean value that will be given to all the slaves; it must be "true" or "false".

::javascript::makeParentCheckbox parentName childName

  Create an HTML checkbox and tie its value to that of its child checkbox. If the parent is unchecked, the child is automatically unchecked. The parentName argument is the name of parent html checkbox object to create. The childName argument is the name of the parent's child html checkbox object.

::javascript::makeChildCheckbox parentName childName

  Create an HTML checkbox and tie its value to that of its parent checkbox. If the child is checked, the parent is automatically checked. The parentName argument is the name of the child's parent html checkbox object. The childName argument is the name of child html checkbox object to create.

## Bugs, Ideas, Feedback

This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category javascript of the Tcllib Trackers. Please also report any ideas for enhancements you may have for either package and/or documentation.

## See Also

html, ncgi

## Keywords

checkbox, html, javascript, selectionbox, submitbutton

## Category

CGI programming