diff options
Diffstat (limited to 'wqflask/wqflask/static/packages/novus-nvd3-d51729c/src/interactiveLayer.js')
| -rwxr-xr-x | wqflask/wqflask/static/packages/novus-nvd3-d51729c/src/interactiveLayer.js | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/src/interactiveLayer.js b/wqflask/wqflask/static/packages/novus-nvd3-d51729c/src/interactiveLayer.js deleted file mode 100755 index 4dfb68dc..00000000 --- a/wqflask/wqflask/static/packages/novus-nvd3-d51729c/src/interactiveLayer.js +++ /dev/null @@ -1,251 +0,0 @@ -/* Utility class to handle creation of an interactive layer. -This places a rectangle on top of the chart. When you mouse move over it, it sends a dispatch -containing the X-coordinate. It can also render a vertical line where the mouse is located. - -dispatch.elementMousemove is the important event to latch onto. It is fired whenever the mouse moves over -the rectangle. The dispatch is given one object which contains the mouseX/Y location. -It also has 'pointXValue', which is the conversion of mouseX to the x-axis scale. -*/ -nv.interactiveGuideline = function() { - "use strict"; - var tooltip = nv.models.tooltip(); - //Public settings - var width = null - , height = null - //Please pass in the bounding chart's top and left margins - //This is important for calculating the correct mouseX/Y positions. - , margin = {left: 0, top: 0} - , xScale = d3.scale.linear() - , yScale = d3.scale.linear() - , dispatch = d3.dispatch('elementMousemove', 'elementMouseout','elementDblclick') - , showGuideLine = true - , svgContainer = null - //Must pass in the bounding chart's <svg> container. - //The mousemove event is attached to this container. - ; - - //Private variables - var isMSIE = navigator.userAgent.indexOf("MSIE") !== -1 //Check user-agent for Microsoft Internet Explorer. - ; - - - function layer(selection) { - selection.each(function(data) { - var container = d3.select(this); - - var availableWidth = (width || 960), availableHeight = (height || 400); - - var wrap = container.selectAll("g.nv-wrap.nv-interactiveLineLayer").data([data]); - var wrapEnter = wrap.enter() - .append("g").attr("class", " nv-wrap nv-interactiveLineLayer"); - - - wrapEnter.append("g").attr("class","nv-interactiveGuideLine"); - - if (!svgContainer) { - return; - } - - function mouseHandler() { - var d3mouse = d3.mouse(this); - var mouseX = d3mouse[0]; - var mouseY = d3mouse[1]; - var subtractMargin = true; - var mouseOutAnyReason = false; - if (isMSIE) { - /* - D3.js (or maybe SVG.getScreenCTM) has a nasty bug in Internet Explorer 10. - d3.mouse() returns incorrect X,Y mouse coordinates when mouse moving - over a rect in IE 10. - However, d3.event.offsetX/Y also returns the mouse coordinates - relative to the triggering <rect>. So we use offsetX/Y on IE. - */ - mouseX = d3.event.offsetX; - mouseY = d3.event.offsetY; - - /* - On IE, if you attach a mouse event listener to the <svg> container, - it will actually trigger it for all the child elements (like <path>, <circle>, etc). - When this happens on IE, the offsetX/Y is set to where ever the child element - is located. - As a result, we do NOT need to subtract margins to figure out the mouse X/Y - position under this scenario. Removing the line below *will* cause - the interactive layer to not work right on IE. - */ - if(d3.event.target.tagName !== "svg") - subtractMargin = false; - - if (d3.event.target.className.baseVal.match("nv-legend")) - mouseOutAnyReason = true; - - } - - if(subtractMargin) { - mouseX -= margin.left; - mouseY -= margin.top; - } - - /* If mouseX/Y is outside of the chart's bounds, - trigger a mouseOut event. - */ - if (mouseX < 0 || mouseY < 0 - || mouseX > availableWidth || mouseY > availableHeight - || (d3.event.relatedTarget && d3.event.relatedTarget.ownerSVGElement === undefined) - || mouseOutAnyReason - ) - { - if (isMSIE) { - if (d3.event.relatedTarget - && d3.event.relatedTarget.ownerSVGElement === undefined - && d3.event.relatedTarget.className.match(tooltip.nvPointerEventsClass)) { - return; - } - } - dispatch.elementMouseout({ - mouseX: mouseX, - mouseY: mouseY - }); - layer.renderGuideLine(null); //hide the guideline - return; - } - - var pointXValue = xScale.invert(mouseX); - dispatch.elementMousemove({ - mouseX: mouseX, - mouseY: mouseY, - pointXValue: pointXValue - }); - - //If user double clicks the layer, fire a elementDblclick dispatch. - if (d3.event.type === "dblclick") { - dispatch.elementDblclick({ - mouseX: mouseX, - mouseY: mouseY, - pointXValue: pointXValue - }); - } - } - - svgContainer - .on("mousemove",mouseHandler, true) - .on("mouseout" ,mouseHandler,true) - .on("dblclick" ,mouseHandler) - ; - - //Draws a vertical guideline at the given X postion. - layer.renderGuideLine = function(x) { - if (!showGuideLine) return; - var line = wrap.select(".nv-interactiveGuideLine") - .selectAll("line") - .data((x != null) ? [nv.utils.NaNtoZero(x)] : [], String); - - line.enter() - .append("line") - .attr("class", "nv-guideline") - .attr("x1", function(d) { return d;}) - .attr("x2", function(d) { return d;}) - .attr("y1", availableHeight) - .attr("y2",0) - ; - line.exit().remove(); - - } - }); - } - - layer.dispatch = dispatch; - layer.tooltip = tooltip; - - layer.margin = function(_) { - if (!arguments.length) return margin; - margin.top = typeof _.top != 'undefined' ? _.top : margin.top; - margin.left = typeof _.left != 'undefined' ? _.left : margin.left; - return layer; - }; - - layer.width = function(_) { - if (!arguments.length) return width; - width = _; - return layer; - }; - - layer.height = function(_) { - if (!arguments.length) return height; - height = _; - return layer; - }; - - layer.xScale = function(_) { - if (!arguments.length) return xScale; - xScale = _; - return layer; - }; - - layer.showGuideLine = function(_) { - if (!arguments.length) return showGuideLine; - showGuideLine = _; - return layer; - }; - - layer.svgContainer = function(_) { - if (!arguments.length) return svgContainer; - svgContainer = _; - return layer; - }; - - - return layer; -}; - -/* Utility class that uses d3.bisect to find the index in a given array, where a search value can be inserted. -This is different from normal bisectLeft; this function finds the nearest index to insert the search value. - -For instance, lets say your array is [1,2,3,5,10,30], and you search for 28. -Normal d3.bisectLeft will return 4, because 28 is inserted after the number 10. But interactiveBisect will return 5 -because 28 is closer to 30 than 10. - -Unit tests can be found in: interactiveBisectTest.html - -Has the following known issues: - * Will not work if the data points move backwards (ie, 10,9,8,7, etc) or if the data points are in random order. - * Won't work if there are duplicate x coordinate values. -*/ -nv.interactiveBisect = function (values, searchVal, xAccessor) { - "use strict"; - if (! values instanceof Array) return null; - if (typeof xAccessor !== 'function') xAccessor = function(d,i) { return d.x;} - - var bisect = d3.bisector(xAccessor).left; - var index = d3.max([0, bisect(values,searchVal) - 1]); - var currentValue = xAccessor(values[index], index); - if (typeof currentValue === 'undefined') currentValue = index; - - if (currentValue === searchVal) return index; //found exact match - - var nextIndex = d3.min([index+1, values.length - 1]); - var nextValue = xAccessor(values[nextIndex], nextIndex); - if (typeof nextValue === 'undefined') nextValue = nextIndex; - - if (Math.abs(nextValue - searchVal) >= Math.abs(currentValue - searchVal)) - return index; - else - return nextIndex -}; - -/* -Returns the index in the array "values" that is closest to searchVal. -Only returns an index if searchVal is within some "threshold". -Otherwise, returns null. -*/ -nv.nearestValueIndex = function (values, searchVal, threshold) { - "use strict"; - var yDistMax = Infinity, indexToHighlight = null; - values.forEach(function(d,i) { - var delta = Math.abs(searchVal - d); - if ( delta <= yDistMax && delta < threshold) { - yDistMax = delta; - indexToHighlight = i; - } - }); - return indexToHighlight; -};
\ No newline at end of file |