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<html> | |
<meta charset='utf-8' /> | |
<head> | |
</head> | |
<body> | |
Pause Delay (ms): <input id='pause_delay' type='text' placeholder=200 /> | |
<input id='render_nodes_blocking' value='Render (blocking)' type='button' style='font-size:1.2em;'/> | |
<input id='render_nodes_non_blocking' value='Render (non blocking)' type='button' style='font-size:1.2em;'/> | |
<br /> | |
<hr /> | |
<br /> | |
<svg> | |
<text x="0" y="20"><tspan>Node 1</tspan></text> | |
<text id='text_node_1' x="20" y="50"> | |
<tspan>You</tspan> | |
<tspan dx='.5em'>shall</tspan> | |
<tspan dx='.5em' dy='.9em'>not</tspan> | |
<tspan dx='.5em' dy='.9em'>pass</tspan> | |
</text> | |
<rect id='text_node_1_rect' | |
height='75' | |
fill='none' | |
stroke='#343434' | |
width='200' | |
x='0' | |
y='30' | |
></rect> | |
<text x="250" y="20"><tspan>Node 2</tspan></text> | |
<text id='text_node_2' x="270" y="50"></text> | |
<rect id='text_node_2_rect' | |
height='75' | |
fill='none' | |
stroke='#343434' | |
width='200' | |
x='250' | |
y='30' | |
></rect> | |
<text x="0" y="145"><tspan>Node 3</tspan></text> | |
<text id='text_node_3' x="20" y="170"> | |
<tspan>You</tspan> | |
<tspan dx='10px'>shall</tspan> | |
<tspan dx='10px' dy='20px'>not</tspan> | |
<tspan dx='10px' dy='20px'>pass</tspan> | |
</text> | |
<rect id='text_node_3_rect' | |
height='75' | |
fill='none' | |
stroke='#343434' | |
width='200' | |
x='0' | |
y='150' | |
></rect> | |
<text x="250" y="145"><tspan>Node 4</tspan></text> | |
<text id='text_node_4' x="270" y="170"></text> | |
<rect id='text_node_4_rect' | |
height='75' | |
fill='none' | |
stroke='#343434' | |
width='200' | |
x='250' | |
y='150' | |
></rect> | |
</svg> | |
<script src='http://mbostock.github.com/d3/d3.js'></script> | |
<script> | |
function log(node_id){ | |
var node = document.getElementById(node_id); | |
console.log('NODE: ', node_id); | |
console.log('BBOX: ', node.getBBox()); | |
console.log('\tBBOX width: ', | |
node.getBBox().width, | |
' | height: ', | |
node.getBBox().height); | |
console.log('Computed text length: ', node.getComputedTextLength()); | |
} | |
function pause(delay){ | |
var date = new Date(); | |
var curDate = null; | |
do { curDate = new Date(); } | |
while(curDate-date < delay); | |
console.log('done with pause') | |
} | |
function create_nodes_blocking(delay){ | |
//Node 2 Auto create with EMs | |
d3.select('#text_node_2').append('tspan') | |
.text('You'); | |
pause(delay); | |
d3.select('#text_node_2').append('tspan') | |
.text('shall') | |
.attr('dx', '.5em'); | |
d3.select('#text_node_2').append('tspan') | |
.text('not') | |
.attr('dx', '.5em') | |
.attr('dy', '.9em'); | |
pause(delay); | |
d3.select('#text_node_2').append('tspan') | |
.text('pass') | |
.attr('dx', '.5em') | |
.attr('dy', '.9em'); | |
//Node 4 Auto create with EMs | |
//NOTE: If this is in a function, it will NOT work | |
pause(delay); | |
d3.select('#text_node_4').append('tspan') | |
.text('You'); | |
pause(delay); | |
d3.select('#text_node_4').append('tspan') | |
.text('shall') | |
.attr('dx', '10px'); | |
pause(delay); | |
d3.select('#text_node_4').append('tspan') | |
.text('not') | |
.attr('dx', '10px') | |
.attr('dy', '20px'); | |
pause(delay); | |
d3.select('#text_node_4').append('tspan') | |
.text('pass') | |
.attr('dx', '10px') | |
.attr('dy', '20px'); | |
console.log('======================================================='); | |
log('text_node_1'); | |
console.log('======================================================='); | |
log('text_node_2'); | |
console.log('======================================================='); | |
log('text_node_3'); | |
console.log('======================================================='); | |
log('text_node_4'); | |
} | |
//Will ALWAYS work on chrome dev | |
//create_nodes(200); | |
function create_nodes_non_blocking(delay){ | |
if(delay === undefined){var delay=200;} | |
//Node 2 Auto create with EMs | |
setTimeout(function(){d3.select('#text_node_2').append('tspan') | |
.text('You');}, delay); | |
setTimeout(function(){d3.select('#text_node_2').append('tspan') | |
.text('shall') | |
.attr('dx', '.5em');}, delay * 2); | |
setTimeout(function(){d3.select('#text_node_2').append('tspan') | |
.text('not') | |
.attr('dx', '.5em') | |
.attr('dy', '.9em');}, delay * 3); | |
setTimeout(function(){d3.select('#text_node_2').append('tspan') | |
.text('pass') | |
.attr('dx', '.5em') | |
.attr('dy', '.9em');}, delay * 4); | |
//Node 4 Auto create with EMs | |
//NOTE: If this is in a function, it will NOT work | |
setTimeout(function(){d3.select('#text_node_4').append('tspan') | |
.text('You');},delay * 5); | |
setTimeout(function(){d3.select('#text_node_4').append('tspan') | |
.text('shall') | |
.attr('dx', '10px');},delay * 6); | |
setTimeout(function(){d3.select('#text_node_4').append('tspan') | |
.text('not') | |
.attr('dx', '10px') | |
.attr('dy', '20px');},delay * 7); | |
setTimeout(function(){d3.select('#text_node_4').append('tspan') | |
.text('pass') | |
.attr('dx', '10px') | |
.attr('dy', '20px');},delay * 8); | |
setTimeout(function(){ | |
console.log('======================================================='); | |
log('text_node_1'); | |
console.log('======================================================='); | |
log('text_node_2'); | |
console.log('======================================================='); | |
log('text_node_3'); | |
console.log('======================================================='); | |
log('text_node_4'); | |
}, delay * 9); | |
} | |
//Events for buttons | |
document.getElementById('render_nodes_blocking').addEventListener( | |
'click', | |
function(){ | |
create_nodes_blocking( | |
parseFloat( (document.getElementById('pause_delay').value || 200), 10) | |
); | |
}); | |
document.getElementById('render_nodes_non_blocking').addEventListener( | |
'click', | |
function(){ | |
create_nodes_non_blocking( | |
parseFloat( (document.getElementById('pause_delay').value || 200), 10) | |
); | |
}); | |
//NOTE: Calling non_blocking ALWAYS works (as long as delay is > 1ms) | |
</script> | |
</body> | |
</html> |
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