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a0d63322b1
Summary: There are a bunch of unused variables in JavaScript files. These were identified with JSHint. Test Plan: It's pretty hard to test this thoroughly... on inspection, it seems that everything //should// be okay (unless we are doing weird things with the JavaScript). Reviewers: chad, #blessed_reviewers, epriestley Reviewed By: #blessed_reviewers, epriestley Subscribers: epriestley, Korvin Differential Revision: https://secure.phabricator.com/D9676
87 lines
1.7 KiB
JavaScript
87 lines
1.7 KiB
JavaScript
/**
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* @requires javelin-stratcom
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* javelin-behavior
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* javelin-vector
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* javelin-dom
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* @provides javelin-behavior-phabricator-gesture-example
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*/
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JX.behavior('phabricator-gesture-example', function(config) {
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var strokes = [];
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var current = [];
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var root = JX.$(config.rootID);
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var canvas = JX.$N('canvas');
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var d = JX.Vector.getDim(root);
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canvas.width = d.x;
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canvas.height = d.y;
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root.appendChild(canvas);
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var cxt = canvas.getContext('2d');
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JX.Stratcom.listen(
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'gesture.swipe.end',
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null,
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function(e) {
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var stroke = get_stroke(e);
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strokes.push(stroke);
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current = [];
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redraw();
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});
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JX.Stratcom.listen(
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'gesture.swipe.move',
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null,
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function(e) {
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var stroke = get_stroke(e);
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current = [stroke];
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redraw();
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});
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JX.Stratcom.listen(
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'gesture.swipe.cancel',
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null,
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function() {
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current = [];
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redraw();
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});
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function get_stroke(e) {
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var data = e.getData();
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var p = JX.$V(root);
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return [
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data.p0.x - p.x,
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data.p0.y - p.y,
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data.p1.x - p.x,
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data.p1.y - p.y
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];
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}
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function redraw() {
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cxt.fillStyle = '#dfdfdf';
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cxt.fillRect(0, 0, d.x, d.y);
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var s;
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var ii;
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for (ii = 0; ii < strokes.length; ii++) {
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s = strokes[ii];
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cxt.strokeStyle = 'rgba(0, 0, 0, 0.50)';
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cxt.beginPath();
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cxt.moveTo(s[0], s[1]);
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cxt.lineTo(s[2], s[3]);
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cxt.stroke();
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}
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for (ii = 0; ii < current.length; ii++) {
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s = current[ii];
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cxt.strokeStyle = 'rgba(255, 0, 0, 1)';
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cxt.beginPath();
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cxt.moveTo(s[0], s[1]);
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cxt.lineTo(s[2], s[3]);
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cxt.stroke();
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}
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}
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redraw();
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});
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