pointvec/desktop/sources/scripts/picker.js

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JavaScript
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function Picker()
{
this.memory = "";
this.el = document.createElement("input");
this.el.id = "picker"
this.original = null;
this.start = function()
{
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this.el.setAttribute("placeholder",`${dotgrid.tool.style().color} ${dotgrid.tool.settings.size.width}x${dotgrid.tool.settings.size.height}`)
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dotgrid.controller.set("picker");
dotgrid.interface.el.className = "picker"
this.el.focus()
this.original = dotgrid.tool.style().color
this.el.value = ""
}
this.stop = function()
{
this.cancel();
dotgrid.controller.set();
dotgrid.interface.el.className = ""
this.el.blur()
this.el.value = ""
}
this.validate = function()
{
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var parts = this.parse(this.el.value)
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if(parts.color){ this.set_color(parts.color); }
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if(parts.size){ this.set_size(parts.size); }
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dotgrid.guide.refresh();
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dotgrid.controller.set();
dotgrid.interface.el.className = ""
this.el.blur()
this.el.value = ""
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}
this.set_color = function(color)
{
dotgrid.tool.style().color = color;
dotgrid.tool.style().fill = dotgrid.tool.style().fill != "none" ? color : "none";
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}
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this.set_size = function(size)
{
dotgrid.set_size(size);
}
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this.cancel = function()
{
if(!this.original){ return; }
dotgrid.tool.style().color = this.original;
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dotgrid.tool.style().fill = dotgrid.tool.style().fill != "none" ? this.original : "none";
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dotgrid.guide.refresh();
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}
this.update = function()
{
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var parts = this.parse(this.el.value)
if(!parts.color){ return; }
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dotgrid.tool.style().color = parts.color;
dotgrid.tool.style().fill = dotgrid.tool.style().fill != "none" ? parts.color : "none";
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dotgrid.guide.refresh();
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}
this.listen = function(e)
{
if(e.key == "Enter"){
this.validate();
e.preventDefault();
return;
}
this.update();
}
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this.parse = function(value)
{
var parts = value.split(" ");
var color = null;
var size = null;
for(id in parts){
var part = parts[id];
if(is_color(part) && !color){ color = part; }
if(is_size(part) && !size){ size = { width:parseInt(part.toLowerCase().split("x")[0]),height:parseInt(part.toLowerCase().split("x")[1]) }; }
}
return {color:color,size:size}
}
function is_size(val)
{
if(val.toLowerCase().indexOf("x") < 1){ return false; }
return true
}
function is_color(val)
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{
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if(val.length != 4 && val.length != 7){
return false
}
var re = /\#[0-9A-Fa-f]/g;
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return re.test(val)
}
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this.el.onkeyup = function(event){ dotgrid.picker.listen(event); };
}