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_animation_data.py
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262 lines (238 loc) · 7.8 KB
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# JavaScript template for HTMLWriter
JS_INCLUDE = """
<link rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
<script language="javascript">
function isInternetExplorer() {
ua = navigator.userAgent;
/* MSIE used to detect old browsers and Trident used to newer ones*/
return ua.indexOf("MSIE ") > -1 || ua.indexOf("Trident/") > -1;
}
/* Define the Animation class */
function Animation(frames, img_id, slider_id, interval, loop_select_id){
this.img_id = img_id;
this.slider_id = slider_id;
this.loop_select_id = loop_select_id;
this.interval = interval;
this.current_frame = 0;
this.direction = 0;
this.timer = null;
this.frames = new Array(frames.length);
for (var i=0; i<frames.length; i++)
{
this.frames[i] = new Image();
this.frames[i].src = frames[i];
}
var slider = document.getElementById(this.slider_id);
slider.max = this.frames.length - 1;
if (isInternetExplorer()) {
// switch from oninput to onchange because IE <= 11 does not conform
// with W3C specification. It ignores oninput and onchange behaves
// like oninput. In contrast, Microsoft Edge behaves correctly.
slider.setAttribute('onchange', slider.getAttribute('oninput'));
slider.setAttribute('oninput', null);
}
this.set_frame(this.current_frame);
}
Animation.prototype.get_loop_state = function(){
var button_group = document[this.loop_select_id].state;
for (var i = 0; i < button_group.length; i++) {
var button = button_group[i];
if (button.checked) {
return button.value;
}
}
return undefined;
}
Animation.prototype.set_frame = function(frame){
this.current_frame = frame;
document.getElementById(this.img_id).src =
this.frames[this.current_frame].src;
document.getElementById(this.slider_id).value = this.current_frame;
}
Animation.prototype.next_frame = function()
{
this.set_frame(Math.min(this.frames.length - 1, this.current_frame + 1));
}
Animation.prototype.previous_frame = function()
{
this.set_frame(Math.max(0, this.current_frame - 1));
}
Animation.prototype.first_frame = function()
{
this.set_frame(0);
}
Animation.prototype.last_frame = function()
{
this.set_frame(this.frames.length - 1);
}
Animation.prototype.slower = function()
{
this.interval /= 0.7;
if(this.direction > 0){this.play_animation();}
else if(this.direction < 0){this.reverse_animation();}
}
Animation.prototype.faster = function()
{
this.interval *= 0.7;
if(this.direction > 0){this.play_animation();}
else if(this.direction < 0){this.reverse_animation();}
}
Animation.prototype.anim_step_forward = function()
{
this.current_frame += 1;
if(this.current_frame < this.frames.length){
this.set_frame(this.current_frame);
}else{
var loop_state = this.get_loop_state();
if(loop_state == "loop"){
this.first_frame();
}else if(loop_state == "reflect"){
this.last_frame();
this.reverse_animation();
}else{
this.pause_animation();
this.last_frame();
}
}
}
Animation.prototype.anim_step_reverse = function()
{
this.current_frame -= 1;
if(this.current_frame >= 0){
this.set_frame(this.current_frame);
}else{
var loop_state = this.get_loop_state();
if(loop_state == "loop"){
this.last_frame();
}else if(loop_state == "reflect"){
this.first_frame();
this.play_animation();
}else{
this.pause_animation();
this.first_frame();
}
}
}
Animation.prototype.pause_animation = function()
{
this.direction = 0;
if (this.timer){
clearInterval(this.timer);
this.timer = null;
}
}
Animation.prototype.play_animation = function()
{
this.pause_animation();
this.direction = 1;
var t = this;
if (!this.timer) this.timer = setInterval(function() {
t.anim_step_forward();
}, this.interval);
}
Animation.prototype.reverse_animation = function()
{
this.pause_animation();
this.direction = -1;
var t = this;
if (!this.timer) this.timer = setInterval(function() {
t.anim_step_reverse();
}, this.interval);
}
</script>
"""
# Style definitions for the HTML template
STYLE_INCLUDE = """
<style>
.animation {
display: inline-block;
text-align: center;
}
input[type=range].anim-slider {
width: 374px;
margin-left: auto;
margin-right: auto;
}
.anim-buttons {
margin: 8px 0px;
}
.anim-buttons button {
padding: 0;
width: 36px;
}
.anim-state label {
margin-right: 8px;
}
.anim-state input {
margin: 0;
vertical-align: middle;
}
</style>
"""
# HTML template for HTMLWriter
DISPLAY_TEMPLATE = """
<div class="animation">
<img id="_anim_img{id}">
<div class="anim-controls">
<input id="_anim_slider{id}" type="range" class="anim-slider"
name="points" min="0" max="1" step="1" value="0"
oninput="anim{id}.set_frame(parseInt(this.value));">
<div class="anim-buttons">
<button title="Decrease speed" aria-label="Decrease speed" onclick="anim{id}.slower()">
<i class="fa fa-minus"></i></button>
<button title="First frame" aria-label="First frame" onclick="anim{id}.first_frame()">
<i class="fa fa-fast-backward"></i></button>
<button title="Previous frame" aria-label="Previous frame" onclick="anim{id}.previous_frame()">
<i class="fa fa-step-backward"></i></button>
<button title="Play backwards" aria-label="Play backwards" onclick="anim{id}.reverse_animation()">
<i class="fa fa-play fa-flip-horizontal"></i></button>
<button title="Pause" aria-label="Pause" onclick="anim{id}.pause_animation()">
<i class="fa fa-pause"></i></button>
<button title="Play" aria-label="Play" onclick="anim{id}.play_animation()">
<i class="fa fa-play"></i></button>
<button title="Next frame" aria-label="Next frame" onclick="anim{id}.next_frame()">
<i class="fa fa-step-forward"></i></button>
<button title="Last frame" aria-label="Last frame" onclick="anim{id}.last_frame()">
<i class="fa fa-fast-forward"></i></button>
<button title="Increase speed" aria-label="Increase speed" onclick="anim{id}.faster()">
<i class="fa fa-plus"></i></button>
</div>
<form title="Repetition mode" aria-label="Repetition mode" action="#n" name="_anim_loop_select{id}"
class="anim-state">
<input type="radio" name="state" value="once" id="_anim_radio1_{id}"
{once_checked}>
<label for="_anim_radio1_{id}">Once</label>
<input type="radio" name="state" value="loop" id="_anim_radio2_{id}"
{loop_checked}>
<label for="_anim_radio2_{id}">Loop</label>
<input type="radio" name="state" value="reflect" id="_anim_radio3_{id}"
{reflect_checked}>
<label for="_anim_radio3_{id}">Reflect</label>
</form>
</div>
</div>
<script language="javascript">
/* Instantiate the Animation class. */
/* The IDs given should match those used in the template above. */
(function() {{
var img_id = "_anim_img{id}";
var slider_id = "_anim_slider{id}";
var loop_select_id = "_anim_loop_select{id}";
var frames = new Array({Nframes});
{fill_frames}
/* set a timeout to make sure all the above elements are created before
the object is initialized. */
setTimeout(function() {{
anim{id} = new Animation(frames, img_id, slider_id, {interval},
loop_select_id);
}}, 0);
3792
}})()
</script>
""" # noqa: E501
INCLUDED_FRAMES = """
for (var i=0; i<{Nframes}; i++){{
frames[i] = "{frame_dir}/frame" + ("0000000" + i).slice(-7) +
".{frame_format}";
}}
"""