collapsible_panel.vm

## Developed by: Davin Studer
## Date created: 05/31/2018

## @param ID:title=Panel ID|type=string|required=false|desc=Optionally provide a unique id to surround the panel(s) (no spaces).
## @param Start:title=Start Collapsed|type=boolean|required=false|desc=

########################################################################
## Use the given ID if present otherwise generate one. The reason for ##
## this is so that we can target each user macro distinctly if this   ##
## is included more than once per page.                               ##
########################################################################
#if( $paramID && $paramID != "" )
    #set( $id = $paramID )
#else
    #set( $id = $action.dateFormatter.calendar.timeInMillis )
#end

#set( $expandText = "Expand panel" ) ## Change this to fit your desired verbiage/language
#set( $collapseText = "Collapse panel" )  ## Change this to fit your desired verbiage/language

<style type="text/css">
########################################################################################
## Below CDATA fixes issue with greather than and less than symbols being escaped out ##
########################################################################################
/*<![CDATA[*/
    #collapser-$id .panel.collapser-closed .panelContent {display: none;}
    #collapser-$id .panel.collapser-open .panelContent {display: block;}
    .collapser {float: right; cursor: pointer; margin-right: 5px;}
    .collapser-text {vertical-align: top; color: #3b73af;}
    .collapser-text:hover {text-decoration: underline;}
/*]]>*/
</style>

<script type="text/javascript">
//<![CDATA[
AJS.toInit(function(){
    /////////////////////////////////////////////////////
    // This block is a mix of Velocity and Javascript. //
    // The Velocty variable will add Javascript to     //
    // open or close the panel(s) within the macro     //
    // depending upon what the user set.               //
    /////////////////////////////////////////////////////
#if ( $paramStart == true )
    AJS.$('#collapser-$id .panel .panelHeader').append('<span class="collapser"><span class="collapser-button expand-control-icon icon">&nbsp;</span><span class="collapser-text">$expandText</span></span>');
    AJS.$('#collapser-$id .panel').has('.panelHeader').addClass('collapser-closed');
#else
    AJS.$('#collapser-$id .panel .panelHeader').append('<span class="collapser"><span class="collapser-button expand-control-icon icon expanded">&nbsp;</span><span class="collapser-text">$collapseText</span></span>');
    AJS.$('#collapser-$id .panel').has('.panelHeader').addClass('collapser-open');
#end

    AJS.$('#collapser-$id .panel .collapser').click(function() {
        var panel = AJS.$(this).parent().parent(); // Get the panel for this specific collapser
        var open = AJS.$(panel).hasClass('collapser-open'); // Is it currently open or closed?

        if(open) {
            toggleCollapser$id(panel, 'close');
        } else {
            toggleCollapser$id(panel, 'open');
        }
    });
});

function toggleCollapser$id(panel, action) {
    if(action === "close") {
        AJS.$(panel).removeClass('collapser-open').addClass('collapser-closed');
        AJS.$('.collapser-button', panel).removeClass('expanded');
        AJS.$('.collapser-text', panel).text('$expandText');
    } else {
        AJS.$(panel).removeClass('collapser-closed').addClass('collapser-open');
        AJS.$('.collapser-button', panel).addClass('expanded');
        AJS.$('.collapser-text', panel).text('$collapseText');
    }
}
//]]>
</script>

<div id="collapser-$id">$body</div>