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});
};
/**
Event handler for 'pikchr' messages from the Worker thread.
*/
PS.addMsgHandler('pikchr', function(ev){
const m = ev.data;
this.e.pikOut.classList[m.isError ? 'add' : 'remove']('error');
this.e.pikOut.dataset.pikchr = m.pikchr;
const m = ev.data, pikOut = this.e.pikOut;
pikOut.classList[m.isError ? 'add' : 'remove']('error');
pikOut.dataset.pikchr = m.pikchr;
const mode = this.renderModes[this.renderModes.selectedIndex];
switch(mode){
case 'text': case 'markdown': case 'wiki': {
let body;
switch(mode){
case 'markdown':
body = ['```pikchr', m.pikchr, '```'].join('\n');
break;
case 'wiki':
body = ['<verbatim type="pikchr">', m.pikchr, '</verbatim>'].join('');
break;
default:
body = m.result;
}
this.e.outText.value = body;
this.e.outText.classList.remove('hidden');
this.e.pikOut.classList.add('hidden');
pikOut.classList.add('hidden');
this.e.pikOutWrapper.classList.add('text');
break;
}
case 'svg':
this.e.outText.classList.add('hidden');
this.e.pikOut.classList.remove('hidden');
pikOut.classList.remove('hidden');
this.e.pikOutWrapper.classList.remove('text');
this.e.pikOut.innerHTML = m.result;
pikOut.innerHTML = m.result;
this.e.outText.value = m.result/*for clipboard copy*/;
break;
default: throw new Error("Unhandled render mode: "+mode);
}
let vw = null, vh = null;
if('svg'===mode && !this.config.renderAutofit && !m.isError){
vw = m.width+1; vh = m.height+1;
/* +1 is b/c the SVG uses floating point sizes but pikchr() returns
truncated integers. */
}
this.e.pikOut.style.width = vw && vw+'px';
this.e.pikOut.style.height = vh && vh+'px';
if('svg'===mode){
if(m.isError){
vw = vh = '100%';
}else if(this.config.renderAutofit){
/* FIXME: current behavior doesn't work as desired when width>height
(e.g. non-side-by-side mode).*/
vw = vh = '98%';
}else{
vw = m.width+1+'px'; vh = m.height+1+'px';
/* +1 is b/c the SVG uses floating point sizes but pikchr()
returns truncated integers. */
}
pikOut.style.width = vw;
pikOut.style.height = vh;
}
}.bind(PS))/*'pikchr' msg handler*/;
E('#btn-render-mode').addEventListener('click',function(){
const modes = this.renderModes;
modes.selectedIndex = (modes.selectedIndex + 1) % modes.length;
this.e.previewModeLabel.innerText = this.renderModeLabels[modes[modes.selectedIndex]];
if(this.e.pikOut.dataset.pikchr){
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