mirror of
https://github.com/Jermolene/TiddlyWiki5
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57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
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//--
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//-- Sparklines
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//--
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config.macros.sparkline = {};
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config.shadowTiddlers.StyleSheetSparklines = "/*{{{*/\n" +
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".sparkline {\n" +
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"\tline-height: 1em;\n" +
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"\tborder: 0;\n" +
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"\tbackground: [[ColorPalette::PrimaryPale]];\n" +
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"}\n\n" +
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".sparktick {\n" +
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"\toutline: 0;\n" +
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"\tbackground: [[ColorPalette::PrimaryDark]];\n" +
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"}\n" +
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"/*}}}*/";
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store.addNotification("StyleSheetSparklines", refreshStyles);
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config.macros.sparkline.handler = function(place,macroName,params)
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{
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var data = [];
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var min = 0;
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var max = 0;
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var v;
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for(var t=0; t<params.length; t++) {
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v = parseInt(params[t],10);
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if(v < min)
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min = v;
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if(v > max)
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max = v;
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data.push(v);
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}
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if(data.length < 1)
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return;
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var box = createTiddlyElement(place,"span",null,"sparkline",String.fromCharCode(160));
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box.title = data.join(",");
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var w = box.offsetWidth;
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var h = box.offsetHeight;
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box.style.paddingRight = (data.length * 2 - w) + "px";
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box.style.position = "relative";
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for(var d=0; d<data.length; d++) {
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var tick = document.createElement("img");
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tick.border = 0;
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tick.className = "sparktick";
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tick.style.position = "absolute";
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tick.src = "data:image/gif,GIF89a%01%00%01%00%91%FF%00%FF%FF%FF%00%00%00%C0%C0%C0%00%00%00!%F9%04%01%00%00%02%00%2C%00%00%00%00%01%00%01%00%40%02%02T%01%00%3B";
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tick.style.left = d*2 + "px";
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tick.style.width = "2px";
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v = Math.floor(((data[d] - min)/(max-min)) * h);
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tick.style.top = (h-v) + "px";
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tick.style.height = v + "px";
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box.appendChild(tick);
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}
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};
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