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Force JS execution after page/DOM fully loads #4189

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merged 2 commits into from
Apr 20, 2016
Merged

Force JS execution after page/DOM fully loads #4189

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879c4a1
Force JS execution after page/DOM fully loads
seanlaw Apr 19, 2016
e7b0449
Replaced window.onload with an addEventListener
seanlaw Apr 20, 2016
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172 changes: 87 additions & 85 deletions bokeh/core/_templates/autoload_js.js
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Original file line number Diff line number Diff line change
Expand Up @@ -25,94 +25,96 @@ calls it with the rendered model.


#}
(function(global) {
function now() {
return new Date();
}

if (typeof (window._bokeh_onload_callbacks) === "undefined") {
window._bokeh_onload_callbacks = [];
}

function run_callbacks() {
window._bokeh_onload_callbacks.forEach(function(callback) { callback() });
delete window._bokeh_onload_callbacks
console.info("Bokeh: all callbacks have finished");
}

function load_libs(js_urls, callback) {
window._bokeh_onload_callbacks.push(callback);
if (window._bokeh_is_loading > 0) {
console.log("Bokeh: BokehJS is being loaded, scheduling callback at", now());
return null;
document.addEventListener("DOMContentLoaded", function(event) {
(function(global) {
function now() {
return new Date();
}
if (js_urls == null || js_urls.length === 0) {
run_callbacks();
return null;
}
console.log("Bokeh: BokehJS not loaded, scheduling load and callback at", now());
window._bokeh_is_loading = js_urls.length;
for (var i = 0; i < js_urls.length; i++) {
var url = js_urls[i];
var s = document.createElement('script');
s.src = url;
s.async = false;
s.onreadystatechange = s.onload = function() {
window._bokeh_is_loading--;
if (window._bokeh_is_loading === 0) {
console.log("Bokeh: all BokehJS libraries loaded");
run_callbacks()
}
};
s.onerror = function() {
console.warn("failed to load library " + url);
};
console.log("Bokeh: injecting script tag for BokehJS library: ", url);
document.getElementsByTagName("head")[0].appendChild(s);

if (typeof (window._bokeh_onload_callbacks) === "undefined") {
window._bokeh_onload_callbacks = [];
}
};

{%- if elementid -%}
var element = document.getElementById("{{ elementid }}");
if (element == null) {
console.log("Bokeh: ERROR: autoload.js configured with elementid '{{ elementid }}' but no matching script tag was found. ")
return false;
}
{%- endif %}

var js_urls = {{ js_urls }};

var inline_js = [
{%- for js in js_raw %}
function(Bokeh) {
{{ js|indent(6) }}
},
{% endfor -%}
function(Bokeh) {
{%- for url in css_urls %}
console.log("Bokeh: injecting CSS: {{ url }}");
Bokeh.embed.inject_css("{{ url }}");
{%- endfor %}
{%- for css in css_raw %}
console.log("Bokeh: injecting raw CSS");
Bokeh.embed.inject_raw_css({{ css }});
{%- endfor %}

function run_callbacks() {
window._bokeh_onload_callbacks.forEach(function(callback) { callback() });
delete window._bokeh_onload_callbacks
console.info("Bokeh: all callbacks have finished");
}
];

function run_inline_js() {
for (var i = 0; i < inline_js.length; i++) {
inline_js[i](window.Bokeh);
function load_libs(js_urls, callback) {
window._bokeh_onload_callbacks.push(callback);
if (window._bokeh_is_loading > 0) {
console.log("Bokeh: BokehJS is being loaded, scheduling callback at", now());
return null;
}
if (js_urls == null || js_urls.length === 0) {
run_callbacks();
return null;
}
console.log("Bokeh: BokehJS not loaded, scheduling load and callback at", now());
window._bokeh_is_loading = js_urls.length;
for (var i = 0; i < js_urls.length; i++) {
var url = js_urls[i];
var s = document.createElement('script');
s.src = url;
s.async = false;
s.onreadystatechange = s.onload = function() {
window._bokeh_is_loading--;
if (window._bokeh_is_loading === 0) {
console.log("Bokeh: all BokehJS libraries loaded");
run_callbacks()
}
};
s.onerror = function() {
console.warn("failed to load library " + url);
};
console.log("Bokeh: injecting script tag for BokehJS library: ", url);
document.getElementsByTagName("head")[0].appendChild(s);
}
};

{%- if elementid -%}
var element = document.getElementById("{{ elementid }}");
if (element == null) {
console.log("Bokeh: ERROR: autoload.js configured with elementid '{{ elementid }}' but no matching script tag was found. ")
return false;
}
}

if (window._bokeh_is_loading === 0) {
console.log("Bokeh: BokehJS loaded, going straight to plotting");
run_inline_js();
} else {
load_libs(js_urls, function() {
console.log("Bokeh: BokehJS plotting callback run at", now());
{%- endif %}

var js_urls = {{ js_urls }};

var inline_js = [
{%- for js in js_raw %}
function(Bokeh) {
{{ js|indent(6) }}
},
{% endfor -%}
function(Bokeh) {
{%- for url in css_urls %}
console.log("Bokeh: injecting CSS: {{ url }}");
Bokeh.embed.inject_css("{{ url }}");
{%- endfor %}
{%- for css in css_raw %}
console.log("Bokeh: injecting raw CSS");
Bokeh.embed.inject_raw_css({{ css }});
{%- endfor %}
}
];

function run_inline_js() {
for (var i = 0; i < inline_js.length; i++) {
inline_js[i](window.Bokeh);
}
}

if (window._bokeh_is_loading === 0) {
console.log("Bokeh: BokehJS loaded, going straight to plotting");
run_inline_js();
});
}
}(this));
} else {
load_libs(js_urls, function() {
console.log("Bokeh: BokehJS plotting callback run at", now());
run_inline_js();
});
}
}(this));
});