78 lines
1.8 KiB
JavaScript
78 lines
1.8 KiB
JavaScript
function Theme()
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{
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this.el = document.createElement("style");
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this.el.type = 'text/css';
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this.default = { background: "#222", f_high: "#fff", f_med: "#777", f_low: "#444", f_inv: "#000", b_high: "#000", b_med: "#affec7", b_low: "#000", b_inv: "#affec7" }
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this.active = this.default;
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this.start = function()
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{
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this.load(localStorage.theme ? localStorage.theme : this.default);
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document.head.appendChild(this.el)
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window.addEventListener('dragover',this.drag_enter);
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window.addEventListener('drop', this.drag);
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}
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this.load = function(t)
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{
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var theme = is_json(t) ? JSON.parse(t) : t;
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if(!theme.background){ return; }
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var css = `
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:root {
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--background: ${theme.background};
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--f_high: ${theme.f_high};
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--f_med: ${theme.f_med};
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--f_low: ${theme.f_low};
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--f_inv: ${theme.f_inv};
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--b_high: ${theme.b_high};
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--b_med: ${theme.b_med};
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--b_low: ${theme.b_low};
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--b_inv: ${theme.b_inv};
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}`;
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this.active = theme;
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this.el.textContent = css;
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localStorage.setItem("theme", JSON.stringify(theme));
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}
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this.reset = function()
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{
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this.load(this.default);
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}
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this.drag_enter = function(e)
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{
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e.stopPropagation();
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e.preventDefault();
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e.dataTransfer.dropEffect = 'copy';
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}
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this.drag = function(e)
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{
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e.preventDefault();
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e.stopPropagation();
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var file = e.dataTransfer.files[0];
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if(!file.name || !file.name.indexOf(".thm") < 0){ console.log("Theme","Not a theme"); return; }
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var reader = new FileReader();
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reader.onload = function(e){
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dotgrid.theme.load(e.target.result);
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};
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reader.readAsText(file);
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}
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function is_json(text)
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{
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try{
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JSON.parse(text);
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return true;
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}
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catch (error){
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return false;
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}
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}
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} |