137 lines
3.7 KiB
JavaScript
137 lines
3.7 KiB
JavaScript
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document.addEventListener('DOMContentLoaded', () => {
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const WIDTH = 700;
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const HEIGHT = 600;
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const MARGIN = 100;
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let svg = d3.select('body').append('svg')
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.attr('width', WIDTH + MARGIN)
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.attr('height', HEIGHT + MARGIN)
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.attr('viewBox', `-${MARGIN / 2} -${MARGIN / 2} ${WIDTH} ${HEIGHT}`);
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svg.append('g').attr('class', 'lines');
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let tree = d3.layout.tree()
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.size([WIDTH - MARGIN, HEIGHT - MARGIN]);
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draw();
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function draw() {
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console.dir(data.root);
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let nodes = tree.nodes(data.root);
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let links = tree.links(nodes);
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let linkElements = svg.select('g.lines').selectAll('line').data(links);
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linkElements.exit().remove();
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linkElements.enter().append('line');
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linkElements.attr('x1', d => d.source.x)
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.attr('y1', d => d.source.y)
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.attr('x2', d => d.target.x)
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.attr('y2', d => d.target.y)
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.style('stroke', 'rgb(72, 213, 91)')
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.style('stroke-width', '2px');
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let nodeElements = svg.selectAll('g.node').data(nodes);
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nodeElements.exit().remove();
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let nodesEnter = nodeElements.enter().append('g').attr('class', 'node');
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nodeElements.attr('transform', d => `translate(${d.x}, ${d.y})`)
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.style('font-family', 'monospace')
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.style('font-size', '11px')
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.attr('data-word', d => d.name);
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nodesEnter.append('circle');
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let circles = nodeElements.selectAll('circle');
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circles.attr('r', 25)
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.style('fill', 'rgb(28, 236, 166)')
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.style('stroke', 'rgb(17, 172, 144)')
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.style('fill', 'rgb(28, 236, 166)')
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.style('stroke', 'rgb(17, 172, 144)')
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.attr('r', 10)
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.transition()
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.ease(d3.ease('elastic'))
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.duration(700)
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.attr('r', 25);
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nodesEnter.append('text');
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let texts = svg.selectAll('g.node text').data(nodes);
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texts.attr('dy', 5)
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.html(d => `<tspan>${d.name.split('').join('</tspan><tspan>')}</tspan>`)
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.attr('text-anchor', 'middle')
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.style('fill', 'white');
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}
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// Form and other stuff
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const form = document.querySelector('form');
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const input = document.querySelector('input');
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const explain = document.querySelector('#explain');
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const explainWord = document.querySelector('#explain-word');
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const explainIndex = document.querySelector('#explain-index');
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form.addEventListener('submit', e => {
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e.preventDefault();
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let word = input.value;
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if (!explain.checked) {
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data.add(word);
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draw();
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return;
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}
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let separated = `<span>${word.split('').join('</span><span>')}</span>`;
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explainWord.innerHTML = separated;
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const indexLeft = explainWord.children[0].offsetLeft;
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const indexMargin = 20;
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const indexWidth = explainWord.children[0].offsetWidth + indexMargin;
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let index = 0;
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let key = '';
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const intv = setInterval(() => {
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d3.selectAll('tspan').attr('class', '');
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d3.selectAll('#explain-word span').attr('class', '');
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d3.selectAll('.node').attr('class', 'node');
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let char = word[index];
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if (!char) {
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clearInterval(intv);
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explainIndex.innerHTML = '';
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explainWord.innerHTML = '';
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return;
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}
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key += char;
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let s = explainWord.children[index];
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s.classList.add('highlight');
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explainIndex.style.left = `${indexLeft + index * indexWidth}px`;
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explainIndex.innerHTML = index;
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let node = document.querySelector(`[data-word="${key}"]`);
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if (!node) {
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data.add(word.slice(0, index + 1));
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draw();
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node = document.querySelector(`[data-word="${key}"]`);
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}
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node.classList.add('highlight');
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let text = node.querySelector('text');
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text.children[index].classList.add('highlight');
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index++;
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}, 1000);
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});
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});
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