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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
define(function () {
function trans (left, top) {
return 'translate(' + left + ', ' + top + ')';
}
var $ = jQuery;
return Backbone.View.extend({
initialize: function (options) {
this.data = options.data;
this.type = options.type || 'INT';
this.width = 0;
this.height = 0;
},
attachEvents: function () {
this.detachEvents();
var event = 'resize.trend-' + this.cid,
update = _.throttle(_.bind(this.update, this), 50);
$(window).on(event, update);
},
detachEvents: function () {
var event = 'resize.trend-' + this.cid;
$(window).off(event);
return this;
},
render: function () {
var that = this,
data = this.data;
this.container = d3.select(this.el);
this.svg = this.container.append('svg')
.classed('sonar-d3', true);
this.plot = this.svg.append('g')
.classed('plot', true);
this.xScale = d3.time.scale()
.domain(d3.extent(data, function (d) {
return moment(d.val).toDate();
}))
.nice();
this.yScale = d3.scale.linear()
.domain(d3.extent(data, function (d) {
return d.count;
}))
.nice();
this.line = d3.svg.line()
.x(function (d) {
return that.xScale(moment(d.val).toDate());
})
.y(function (d) {
return that.yScale(d.count);
})
.interpolate('linear');
this.xScaleTicks = this.xScale.ticks(5);
this.yScaleTicks = this.yScale.ticks(3);
this.xTicks = this.xScaleTicks.map(function (tick) {
return that.plot.append('text')
.datum(tick)
.text(that.xScale.tickFormat()(tick))
.attr('dy', '0')
.style('text-anchor', 'middle')
.style('font-size', '10px')
.style('font-weight', '300')
.style('fill', '#aaa');
});
this.yTicks = this.yScaleTicks.map(function (tick) {
return that.plot.append('text')
.datum(tick)
.text(window.formatMeasure(tick, that.type))
.attr('dy', '5px')
.style('text-anchor', 'end')
.style('font-size', '10px')
.style('font-weight', '300')
.style('fill', '#aaa');
});
this.xTickLines = this.xScaleTicks.map(function (tick) {
return that.plot.append('line')
.datum(tick)
.style('stroke', '#eee')
.style('shape-rendering', 'crispedges');
});
this.yTickLines = this.yScaleTicks.map(function (tick) {
return that.plot.append('line')
.datum(tick)
.style('stroke', '#eee')
.style('shape-rendering', 'crispedges');
});
this.path = this.plot.append('path')
.datum(data)
.classed('line', true)
.style('stroke', 'rgb(31, 119, 180)');
this.attachEvents();
return this;
},
update: function () {
var that = this,
width = this.$el.closest('.overview-trend').width(),
height = 150,
marginLeft = 20,
marginRight = 50,
marginTop = 5,
marginBottom = 25,
availableWidth = width - marginLeft - marginRight,
availableHeight = height - marginTop - marginBottom;
this.svg
.attr('width', width)
.attr('height', height);
this.plot.attr('transform', trans(marginLeft, marginTop));
this.xScale.range([0, availableWidth]);
this.yScale.range([availableHeight, 0]);
this.path
.attr('d', this.line);
this.xTicks.forEach(function (tick) {
tick
.attr('x', that.xScale(tick.datum()))
.attr('y', availableHeight + 20);
});
this.yTicks.forEach(function (tick) {
tick
.attr('x', availableWidth + 50)
.attr('y', that.yScale(tick.datum()));
});
this.xTickLines.forEach(function (tick) {
tick
.attr('x1', that.xScale(tick.datum()))
.attr('x2', that.xScale(tick.datum()))
.attr('y1', 0)
.attr('y2', availableHeight);
});
this.yTickLines.forEach(function (tick) {
tick
.attr('x1', 0)
.attr('x2', availableWidth)
.attr('y1', that.yScale(tick.datum()))
.attr('y2', that.yScale(tick.datum()));
});
return this;
}
});
});
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