Of Stack

Unit chooses to merge the color changing sample code

  • 2020-03-30 03:02:57
  • OfStack
A bunch of code was written over the weekend to answer a question, and the functionality was basically implemented, but it felt so badly structured that I didn't think much about it. Not beautiful at all 
 
<!DOCTYPE HTML> 
<HTML> 
<head> 
<TITLE>The document title</TITLE> 
<meta charset=utf-8> 
<script src="lib/jquery-1.8.1.min.js" type="text/javascript"></script> 
<style type="text/css"> 
table{ 
border-spacing: 0; 
} 
td{ 
height: 50px; 
width: 50px; 
border-spacing: 0; 
} 
.hidden{ 
display: none; 
} 
</style> 
</head> 

<body> 
<table border="1"> 
<tr id ="r1"> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
</tr> 
<tr id ="r2"> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
<td></td> 
</tr> 
</table> 
<p id ='log'></p> 
<button type="button" onclick="combine()">hebing</button> 
<script type="text/javascript"> 
var selectecdlog = []; 
var resultLen = 0; 
var resultBegin = 0; 
var backColor = ['red','green','blue']; // assume 3 rows 1 -red 2 - green 3 - blue 
var resultColor =0; 
$("td").mousedown(function() { 
selectecdlog = []; 
resultColor = backColor[$(this).parent().attr('id').substr(1)-1]; 
$('td').css('background-color', 'white'); 
// ID for tr tag 
//alert($(this).parent().attr('id')); 
//get the column No. 
//alert($(this).index()+1); 
$(this).css('background-color', resultColor); 
selectecdlog.push($(this).attr('id')); 
//alert($(this).attr('id')); 
$("td").mouseup(onMouseUp); 
$("td").mouseover(onMouseOver); 
}) 
function onMouseUp(){ 
 
var len =resultLen= Math.abs(parseInt(selectecdlog[0].substr(selectecdlog[0].indexOf('c')+1)) - parseInt($(this).attr('id').substr(($(this).attr('id').indexOf('c'))+1)))+1; 
var begin =resultBegin= parseInt(selectecdlog[0].substr(selectecdlog[0].indexOf('c')+1)) >parseInt($(this).attr('id').substr(($(this).attr('id').indexOf('c'))+1)) ? parseInt($(this).attr('id').substr(($(this).attr('id').indexOf('c'))+1)):parseInt(selectecdlog[0].substr(selectecdlog[0].indexOf('c')+1)); 
for(var i =0; i<resultLen;i++) 
{ 
selectecdlog.push(selectecdlog[0].substr(0,2)+"c"+(resultBegin+i)); 

} 
selectecdlog.shift(); 
$('#log').text(selectecdlog.toString()); 

$("td").unbind('mouseover',onMouseOver); 
$("td").unbind('mouseup',onMouseUp); 
} 
function onMouseOver (argument) { 
var len =resultLen= Math.abs(parseInt(selectecdlog[0].substr(selectecdlog[0].indexOf('c')+1)) - parseInt($(this).attr('id').substr(($(this).attr('id').indexOf('c'))+1)))+1; 
var begin =resultBegin= parseInt(selectecdlog[0].substr(selectecdlog[0].indexOf('c')+1)) >parseInt($(this).attr('id').substr(($(this).attr('id').indexOf('c'))+1)) ? parseInt($(this).attr('id').substr(($(this).attr('id').indexOf('c'))+1)):parseInt(selectecdlog[0].substr(selectecdlog[0].indexOf('c')+1)); 
$('td').css('background-color', 'white'); 
for(var i =0; i<len;i++) 
{ 
$('#'+selectecdlog[0].substr(0,2)+"c"+(begin+i)).css('background-color', resultColor); 
} 
//alert( $(this).attr('id').substr(($(this).attr('id').indexOf('c'))+1)); 
//$('#'+tdId).css('background-color', 'red'); 
} 
// set id attr for each td 
$("td").each(function(index, val){ 
 
$(this).attr('id', $(this).parent().attr('id')+"c"+($(this).index()+1))}); 
//combine cells 
function combine (argument) { 
// body... 
for (var m in selectecdlog) 
{ 
if(m==0) 
{ 
$('#'+selectecdlog[m]).attr('colspan', resultLen); 
$('#'+selectecdlog[m]).css('width',resultLen*50+"px"); 
//$('#'+selectecdlog[m]).css('background-color', 'bule'); 
} 
else{ 
$('#'+selectecdlog[m]).addClass('hidden'); 
} 
} 
} 
</script> 
</body> 
</HTML>
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