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YosysJS: Wait for Viz to load

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This commit is contained in:
Clifford Wolf 2015-02-21 14:25:34 +01:00
parent 4e6ca7760f
commit 1fe15a5973
2 changed files with 33 additions and 16 deletions
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26
misc/yosysjs/yosysjs.js
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@ -1,6 +1,7 @@
var YosysJS = new function() {
this.script_element = document.currentScript;
this.viz_element = undefined;
this.viz_ready = true;
this.url_prefix = this.script_element.src.replace(/[^/]+$/, '')
@ -12,9 +13,21 @@ var YosysJS = new function() {
this.viz_element.style.display = 'none'
document.body.appendChild(this.viz_element);
this.viz_element.contentWindow.document.open()
this.viz_element.contentWindow.document.write('<script type="text/javascript" src="' + this.url_prefix + 'viz.js"></' + 'script>');
this.viz_element.contentWindow.document.close()
this.viz_element.contentWindow.document.open();
this.viz_element.contentWindow.document.write('<script type="text/javascript" onload="viz_ready = true;" src="' + this.url_prefix + 'viz.js"></' + 'script>');
this.viz_element.contentWindow.document.close();
var that = this;
function check_viz_ready() {
if (that.viz_element.contentWindow.viz_ready) {
console.log("YosysJS: Successfully loaded Viz.");
that.viz_ready = true;
} else
window.setTimeout(check_viz_ready, 100);
}
this.viz_ready = false;
window.setTimeout(check_viz_ready, 100);
}
this.dot_to_svg = function(dot_text) {
@ -40,6 +53,7 @@ var YosysJS = new function() {
this.create = function(reference_element, on_ready) {
var ys = new Object();
ys.YosysJS = this;
ys.init_script = "";
ys.ready = false;
ys.verbose = false;
@ -185,13 +199,13 @@ var YosysJS = new function() {
} catch (e) { }
}
doc.open()
doc.open();
doc.write('<script type="text/javascript" src="' + this.url_prefix + 'yosys.js"></' + 'script>');
doc.close()
doc.close();
if (on_ready || ys.init_script) {
function check_ready() {
if (ys.ready) {
if (ys.ready && ys.YosysJS.viz_ready) {
if (ys.init_script) {
ys.write_file("/script.ys", ys.init_script);
ys.run("script /script.ys");