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115 lines
4.5 KiB
115 lines
4.5 KiB
<!doctype html>
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<html>
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<head>
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<title>Network | Multifont Labels</title>
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<script type="text/javascript" src="../../../dist/vis.js"></script>
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<link href="../../../dist/vis-network.min.css" rel="stylesheet" type="text/css" />
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<style type="text/css">
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#mynetwork {
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width: 600px;
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height: 400px;
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border: 1px solid lightgray;
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}
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code {
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font-size: 15px;
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}
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p {
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max-width: 600px;
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}
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.indented {
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margin-left: 30px;
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}
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table {
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border-collapse: collapse;
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font-family: sans-serif;
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}
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table code {
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background: #dddddd;
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}
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th, td {
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border: 1px solid #aaaaaa;
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text-align: center;
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padding: 5px;
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font-weight: normal;
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}
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</style>
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</head>
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<body>
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<p>Node and edge labels may be marked up to be drawn with multiple fonts.</p>
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<div id="mynetwork"></div>
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<p>The value of the <code>font.multi</code> property may be set to <code>'html'</code>, <code>'markdown'</code> or a boolean.</p>
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<table class="indented">
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<tr><th colspan='4'>Embedded Font Markup</th></tr>
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<tr><th rowspan=2>font mod</th><th colspan=3><code>font.multi</code> setting</th></tr>
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<tr><th><code>'html'</code> or <code>true</code></th><th><code>'markdown'</code> or <code>'md'</code></th><th><code>false<code></th></tr>
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<tr><th>bold</th><td><code><b></code> ... <code></b></code></td><td><code> *</code> ... <code>* </code></td><td>n/a</td></tr>
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<tr><th>italic</th><td><code><i></code> ... <code></i></code></td><td><code> _</code> ... <code>_ </code></td><td>n/a</td></tr>
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<tr><th>mono-spaced</th><td><code><code></code> ... <code></code></code></td><td><code> `</code> ... <code>` </code></td><td>n/a</td></tr>
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</table>
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<p>
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The <code>html</code> and <code>markdown</code> rendering is limited: bolds may be embedded in italics, italics may be embedded in bolds, and mono-spaced may be embedded in bold or italic, but will not be altered by those font mods, nor will embedded bolds or italics be handled.
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The only entities that will be observed in html are <code>&lt;</code> and <code>&amp;</code> and in <code>markdown</code> a backslash will escape the following character (including a backslash) from special processing.
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Any font mod that is started in a label line will be implicitly terminated at the end of that line.
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While this interpretation may not exactly match <i>official</i> rendering standards, it is a consistent compromise for drawing multifont strings in the non-multifont html canvas element underlying vis.
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</p>
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<p>This implies that four additional sets of font properties will be recognized in label processing.</p>
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<p class="indented"><code>font.bold</code> designates the font used for rendering bold font mods.
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<br/><code>font.ital</code> designates the font used for rendering italic font mods.
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<br/><code>font.boldital</code> designates the font used for rendering bold-<b><i>and</i></b>-italic font mods.
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<br/><code>font.mono</code> designates the font used for rendering monospaced font mods.</p>
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<p>Any font mod without a matching font will be rendered using the normal <code>font</code> (or default) value.</p>
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<p>The <code>font.multi</code> and extended font settings may be set in the network's <code>nodes</code> or <code>edges</code> properties, or on individual nodes and edges.
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Node and edge label fonts are separate.</p>
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<script type="text/javascript">
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var nodes = [
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{ id: 1, label: 'This is a\nsingle-font label', x: -120, y: -120 },
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{ id: 2, font: { multi: true }, label: '<b>This</b> is a\n<i>default</i> <b><i>multi-</i>font</b> <code>label</code>', x: -40, y: -40 },
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{ id: 3, font: { multi: 'html', size: 20 }, label: '<b>This</b> is an\n<i>html</i> <b><i>multi-</i>font</b> <code>label</code>', x: 40, y: 40 },
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{ id: 4, font: { multi: 'md', face: 'georgia' }, label: '*This* is a\n_markdown_ *_multi-_ font* `label`', x: 120, y: 120},
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];
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var edges = [
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{from: 1, to: 2, label: "single to default"},
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{from: 2, to: 3, font: { multi: true }, label: "default to <b>html</b>" },
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{from: 3, to: 4, font: { multi: "md" }, label: "*html* to _md_" }
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];
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var container = document.getElementById('mynetwork');
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var data = {
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nodes: nodes,
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edges: edges
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};
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var options = {
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edges: {
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font: {
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size: 12
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}
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},
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nodes: {
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shape: 'box',
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font: {
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bold: {
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color: '#0077aa'
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}
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}
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},
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physics: {
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enabled: false
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}
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};
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var network = new vis.Network(container, data, options);
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</script>
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</body>
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</html>
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