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7.2

javascript image upload code attached - need help thanks

Asked by pigmentarts in JavaScript, Cold Fusion Markup Language

I have a function that I use for file uploading but I don't fully understand it yet.

I want to add a new form field for 'alt' tags looking at the JavaScript how to I add a new input that adds alt information for each image.

I have attached the full CFC code also, below is just the part I think will need changing.

Thanks in advanced for any help.

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             <cffunction name="uploadForm" access="public" returntype="string" output="false">
 
<cfsavecontent variable="viewOutput">
<script>
// Multiple file selector by Stickman -- http://www.the-stickman.com 
// with thanks to: [for Safari fixes] Luis Torrefranca -- http://www.law.pitt.edu and Shawn Parker & John Pennypacker -- http://www.fuzzycoconut.com [for duplicate name bug] 'neal'
function MultiSelector( list_target, max ){
	this.list_target = list_target;this.count = 1;
	this.id = 1;
		if( max ){
	this.max = max;
	} else {
	this.max = -1;
};
 
this.addElement = function( element ){
	if( element.tagName == 'INPUT' && element.type == 'file' ){
		element.name = '<cfoutput>#getInputname()#</cfoutput>' + this.id++;
		element.multi_selector = this;
		element.onchange = function(){
		var new_element = document.createElement( 'input' );
		new_element.type = 'file';
		
		this.parentNode.insertBefore( new_element, this );
		this.multi_selector.addElement( new_element );
		this.multi_selector.addListRow( this );
		this.style.position = 'absolute';
		this.style.left = '-1000px';
	};
		
if( this.max != -1 && this.count >= this.max ){
	element.disabled = true;
};
this.count++;
this.current_element = element;
} else {
	alert( 'Error: not a file input element' );
	};
};
 
this.addListRow = function( element ){
	var new_row = document.createElement( 'div' );
	var new_row_button = document.createElement( 'input' );
	new_row_button.type = 'image';
	new_row_button.value = 'Delete';	
	new_row_button.src = '../../includes/uploadFormCFC/close_btn.gif';
	new_row.element = element;
	
	new_row_button.onclick = function(){
	this.parentNode.element.parentNode.removeChild( this.parentNode.element );
	this.parentNode.parentNode.removeChild( this.parentNode );
	this.parentNode.element.multi_selector.count--;
	this.parentNode.element.multi_selector.current_element.disabled = false;
	//alert('hi');
	parent.$("#uploadResponseMsg").empty();
	return false;
	};
	new_row.innerHTML = element.value;
	new_row.appendChild( new_row_button );
	this.list_target.appendChild( new_row );
	parent.$("#uploadResponseMsg").empty();
	//alert('hello');
	};
};
</script>
 
 
		<cfoutput>
	<!--- This is the form, nothing special here --->
			<input id="#getInputid()#" type="file" name="#getInputname()#">	
	<!--- This is div to show the user what they just picked --->
		<div id="#getListid()#"></div>
			<script>
				<!-- Create an instance of the multiSelector class, pass it the output target and the max number of files -->
				var multi_selector = new MultiSelector(document.getElementById('#getListid()#'), #getNumofrows()#);
				<!-- Pass in the file element -->
				multi_selector.addElement(document.getElementById('#getInputid()#'));
			</script>
		</cfoutput>
	</cfsavecontent>						
</cffunction>

           
         

Attachments:

upload.txt (11 KB) (File Type Details)

full CFC code

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javascript image upload code attached - need help thanks

Asked by pigmentarts in JavaScript, Cold Fusion Markup Language

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