Template:InsertDynamicCall

/***
    USAGE: InsertDyanmicCall{ function: 'wiki.tree', args: [ 'App_Catalog', 1 ] }
        Embed a call to a function/template with substituted parameters.

    ARGUMENTS:
        function    name of function to call (can also be the name of a template); do not include brackets of any kind.
        args        (optional) either a list or map of arguments to apply to the function invocation
        style       (optional) can be one of 'pre' or 'img'; style to use for embedding call;
                        'pre' creates a readable section of dekiscript (e.g. <pre class='script'>)
                        'img' creates an image place holder with a hidden dekiscript code in the img attributes (e.g. <img src="..." function="(code)" />)
        image       (optional) image to use for 'img' style; by default, uses the Yahoo! widget image (64x64)

***/

// read arguments
var function = $function ?? $0;
var args = $args ?? $1;
var style = $style ?? $2;
var image = $image ?? $3;

// create function call using supplied arguments
var code;
if(args is map) {
    let code = function .. "{" .. string.join([ string.quote(name) .. " : " .. json.format(arg) foreach var name:arg in args ], ", ")  .. "}";
} else if(args is list) {
    let code = function .. "(" .. string.join([ json.format(arg) foreach var arg in args ], ", ") .. ")";
} else if(args is nil) {
    let code = function .. "()";
} else {

    // invalid type for arguments
    let code = "ERROR: Specified argument type is not valid. Must be a map or a list.";
    let style = "error";
}

// embed function call using specified style
switch(style) {
default:
case 'img':
    <img src=($image ?? "http://www.iconarchive.com/icons/deleket/sleek-xp-software/64/Yahoo-Widget-Engine-icon.png") function=(code .. "; var _dummy = $;") />
case 'pre':
    <pre class="script"> code </pre>
case 'error':
    <span style="warning"> code </span>
}