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Diffstat (limited to 'schall/static/RGraph/libraries/RGraph.vprogress.js')
-rw-r--r-- | schall/static/RGraph/libraries/RGraph.vprogress.js | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/schall/static/RGraph/libraries/RGraph.vprogress.js b/schall/static/RGraph/libraries/RGraph.vprogress.js new file mode 100644 index 0000000..dfc1a04 --- /dev/null +++ b/schall/static/RGraph/libraries/RGraph.vprogress.js @@ -0,0 +1,625 @@ + /** + * o------------------------------------------------------------------------------o + * | This file is part of the RGraph package - you can learn more at: | + * | | + * | http://www.rgraph.net | + * | | + * | This package is licensed under the RGraph license. For all kinds of business | + * | purposes there is a small one-time licensing fee to pay and for non | + * | commercial purposes it is free to use. You can read the full license here: | + * | | + * | http://www.rgraph.net/LICENSE.txt | + * o------------------------------------------------------------------------------o + */ + + if (typeof(RGraph) == 'undefined') RGraph = {}; + + /** + * The progress bar constructor + * + * @param int id The ID of the canvas tag + * @param int value The indicated value of the meter. + * @param int max The end value (the upper most) of the meter + */ + RGraph.VProgress = function (id, value, max) + { + this.id = id; + this.max = max; + this.value = value; + this.canvas = document.getElementById(id); + this.context = this.canvas.getContext('2d'); + this.canvas.__object__ = this; + this.type = 'vprogress'; + this.coords = []; + this.isRGraph = true; + this.currentValue = null; + + + /** + * Compatibility with older browsers + */ + RGraph.OldBrowserCompat(this.context); + + this.properties = { + 'chart.colors': ['#0c0'], + 'chart.strokestyle': '#999', + 'chart.tickmarks': true, + 'chart.tickmarks.zerostart':false, + 'chart.tickmarks.color': 'black', + 'chart.tickmarks.inner': false, + 'chart.gutter.left': 25, + 'chart.gutter.right': 25, + 'chart.gutter.top': 25, + 'chart.gutter.bottom': 25, + 'chart.numticks': 10, + 'chart.numticks.inner': 50, + 'chart.background.color': '#eee', + 'chart.shadow': false, + 'chart.shadow.color': 'rgba(0,0,0,0.5)', + 'chart.shadow.blur': 3, + 'chart.shadow.offsetx': 3, + 'chart.shadow.offsety': 3, + 'chart.title': '', + 'chart.title.background': null, + 'chart.title.hpos': null, + 'chart.title.vpos': null, + 'chart.title.bold': true, + 'chart.title.font': null, + 'chart.width': 0, + 'chart.height': 0, + 'chart.text.size': 10, + 'chart.text.color': 'black', + 'chart.text.font': 'Verdana', + 'chart.contextmenu': null, + 'chart.units.pre': '', + 'chart.units.post': '', + 'chart.tooltips': [], + 'chart.tooltips.effect': 'fade', + 'chart.tooltips.css.class': 'RGraph_tooltip', + 'chart.tooltips.highlight': true, + 'chart.highlight.stroke': 'black', + 'chart.highlight.fill': 'rgba(255,255,255,0.5)', + 'chart.annotatable': false, + 'chart.annotate.color': 'black', + 'chart.zoom.mode': 'canvas', + 'chart.zoom.factor': 1.5, + 'chart.zoom.fade.in': true, + 'chart.zoom.fade.out': true, + 'chart.zoom.hdir': 'right', + 'chart.zoom.vdir': 'down', + 'chart.zoom.frames': 25, + 'chart.zoom.delay': 16.666, + 'chart.zoom.shadow': true, + 'chart.zoom.background': true, + 'chart.zoom.action': 'zoom', + 'chart.arrows': false, + 'chart.margin': 0, + 'chart.resizable': false, + 'chart.resize.handle.adjust': [0,0], + 'chart.resize.handle.background': null, + 'chart.label.inner': false, + 'chart.labels.count': 10, + 'chart.labels.position': 'right', + 'chart.adjustable': false, + 'chart.min': 0, + 'chart.scale.decimals': 0, + 'chart.key': [], + 'chart.key.background': 'white', + 'chart.key.position': 'graph', + 'chart.key.halign': 'right', + 'chart.key.shadow': false, + 'chart.key.shadow.color': '#666', + 'chart.key.shadow.blur': 3, + 'chart.key.shadow.offsetx': 2, + 'chart.key.shadow.offsety': 2, + 'chart.key.position.gutter.boxed': true, + 'chart.key.position.x': null, + 'chart.key.position.y': null, + 'chart.key.color.shape': 'square', + 'chart.key.rounded': true, + 'chart.key.linewidth': 1 + } + + // Check for support + if (!this.canvas) { + alert('[PROGRESS] No canvas support'); + return; + } + + + /** + * Set the .getShape commonly named method + */ + this.getShape = this.getBar; + } + + + /** + * A generic setter + * + * @param string name The name of the property to set + * @param string value The value of the poperty + */ + RGraph.VProgress.prototype.Set = function (name, value) + { + this.properties[name.toLowerCase()] = value; + } + + + /** + * A generic getter + * + * @param string name The name of the property to get + */ + RGraph.VProgress.prototype.Get = function (name) + { + return this.properties[name.toLowerCase()]; + } + + + /** + * Draws the progress bar + */ + RGraph.VProgress.prototype.Draw = function () + { + /** + * Fire the onbeforedraw event + */ + RGraph.FireCustomEvent(this, 'onbeforedraw'); + + /** + * Clear all of this canvases event handlers (the ones installed by RGraph) + */ + RGraph.ClearEventListeners(this.id); + + /** + * Set the current value + */ + this.currentValue = this.value; + + /** + * This is new in May 2011 and facilitates indiviual gutter settings, + * eg chart.gutter.left + */ + this.gutterLeft = this.Get('chart.gutter.left'); + this.gutterRight = this.Get('chart.gutter.right'); + this.gutterTop = this.Get('chart.gutter.top'); + this.gutterBottom = this.Get('chart.gutter.bottom'); + + // Figure out the width and height + this.width = RGraph.GetWidth(this) - this.gutterLeft - this.gutterRight; + this.height = RGraph.GetHeight(this) - this.gutterTop - this.gutterBottom; + this.coords = []; + + this.Drawbar(); + this.DrawTickMarks(); + this.DrawLabels(); + + this.context.stroke(); + this.context.fill(); + + /** + * Setup the context menu if required + */ + if (this.Get('chart.contextmenu')) { + RGraph.ShowContext(this); + } + + /** + * Alternatively, show the tooltip if requested + */ + if (typeof(this.Get('chart.tooltips')) == 'function' || this.Get('chart.tooltips').length) { + + // Need to register this object for redrawing + RGraph.Register(this); + + /** + * Install the window onclick handler + */ + var window_onclick = function (){RGraph.Redraw();} + window.addEventListener('click', window_onclick, false); + RGraph.AddEventListener('window_' + this.id, 'click', window_onclick); + + + /** + * Install the onclick event handler for the tooltips + */ + //this.canvas.onclick = function (e) + var canvas_onclick_func = function (e) + { + e = RGraph.FixEventObject(e); + + var canvas = document.getElementById(this.id); + var obj = canvas.__object__; + var bar = obj.getBar(e); + + /** + * Redraw the graph first, in effect resetting the graph to as it was when it was first drawn + * This "deselects" any already selected bar + */ + RGraph.Redraw(); + + + if (bar) { + + /** + * Get the tooltip text + */ + var text = RGraph.parseTooltipText(obj.Get('chart.tooltips'), bar[5]); + + /** + * Show a tooltip if it's defined + */ + if (text) { + + obj.context.beginPath(); + obj.context.strokeStyle = obj.Get('chart.highlight.stroke'); + obj.context.fillStyle = obj.Get('chart.highlight.fill'); + obj.context.strokeRect(bar[1], bar[2], bar[3], bar[4]); + obj.context.fillRect(bar[1], bar[2], bar[3], bar[4]); + + obj.context.stroke(); + obj.context.fill(); + + RGraph.Tooltip(canvas, text, e.pageX, e.pageY, bar[5]); + } + } + + /** + * Stop the event bubbling + */ + e.stopPropagation(); + } + this.canvas.addEventListener('click', canvas_onclick_func, false); + RGraph.AddEventListener(this.id, 'click', canvas_onclick_func); + + + /** + * If the cursor is over a hotspot, change the cursor to a hand + */ + //this.canvas.onmousemove = function (e) + var canvas_onmousemove_func = function (e) + { + e = RGraph.FixEventObject(e); + + var canvas = document.getElementById(this.id); + var obj = canvas.__object__; + var bar = obj.getBar(e); + + /** + * Change the mouse pointer + */ + if (bar) { + + var text = RGraph.parseTooltipText(obj.Get('chart.tooltips'), bar[5]); + + if (text) { + canvas.style.cursor = 'pointer'; + return; + } + } + + canvas.style.cursor = 'default'; + } + this.canvas.addEventListener('mousemove', canvas_onmousemove_func, false); + RGraph.AddEventListener(this.id, 'mousemove', canvas_onmousemove_func); + } + + /** + * If the canvas is annotatable, do install the event handlers + */ + if (this.Get('chart.annotatable')) { + RGraph.Annotate(this); + } + + /** + * This bit shows the mini zoom window if requested + */ + if (this.Get('chart.zoom.mode') == 'thumbnail' || this.Get('chart.zoom.mode') == 'area') { + RGraph.ShowZoomWindow(this); + } + + // Draw a key if necessary + if (this.Get('chart.key').length) { + RGraph.DrawKey(this, this.Get('chart.key'), this.Get('chart.colors')); + } + + + + /** + * This function enables resizing + */ + if (this.Get('chart.resizable')) { + RGraph.AllowResizing(this); + } + + /** + * Instead of using RGraph.common.adjusting.js, handle them here + */ + if (this.Get('chart.adjustable')) { + RGraph.AllowAdjusting(this); + } + + /** + * Fire the RGraph ondraw event + */ + RGraph.FireCustomEvent(this, 'ondraw'); + } + + + /** + * Draw the bar itself + */ + RGraph.VProgress.prototype.Drawbar = function () + { + // Set a shadow if requested + if (this.Get('chart.shadow')) { + RGraph.SetShadow(this, this.Get('chart.shadow.color'), this.Get('chart.shadow.offsetx'), this.Get('chart.shadow.offsety'), this.Get('chart.shadow.blur')); + } + + // Draw the shadow for MSIE + if (RGraph.isIE8() && this.Get('chart.shadow')) { + this.context.fillStyle = this.Get('chart.shadow.color'); + this.context.fillRect(this.gutterLeft + this.Get('chart.shadow.offsetx'), this.gutterTop + this.Get('chart.shadow.offsety'), this.width, this.height); + } + + // Draw the outline + this.context.fillStyle = this.Get('chart.background.color'); + this.context.strokeStyle = this.Get('chart.strokestyle'); + this.context.strokeRect(this.gutterLeft, this.gutterTop, this.width, this.height); + this.context.fillRect(this.gutterLeft, this.gutterTop, this.width, this.height); + + // Turn off any shadow + RGraph.NoShadow(this); + + this.context.strokeStyle = this.Get('chart.strokestyle'); + this.context.fillStyle = this.Get('chart.colors')[0]; + var margin = this.Get('chart.margin'); + var barHeight = RGraph.GetHeight(this) - this.gutterTop - this.gutterBottom; + + // Draw the actual bar itself + if (typeof(this.value) == 'number') { + + this.context.lineWidth = 1; + this.context.strokeStyle = this.Get('chart.strokestyle'); + + } else if (typeof(this.value) == 'object') { + + this.context.beginPath(); + this.context.strokeStyle = this.Get('chart.strokestyle'); + + var startPoint = this.canvas.height - this.gutterBottom; + + for (var i=0; i<this.value.length; ++i) { + + var segmentHeight = ( (this.value[i] - this.Get('chart.min')) / (this.max - this.Get('chart.min')) ) * barHeight; + + this.context.fillStyle = this.Get('chart.colors')[i]; + + this.context.fillRect(this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight); + this.context.strokeRect(this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight); + + + // Store the coords + this.coords.push([this.gutterLeft + margin, startPoint - segmentHeight, this.width - margin - margin, segmentHeight]); + + startPoint -= segmentHeight; + + } + + this.context.stroke(); + this.context.fill(); + } + + /** + * Inner tickmarks + */ + if (this.Get('chart.tickmarks.inner')) { + + var spacing = (RGraph.GetHeight(this) - this.gutterTop - this.gutterBottom) / this.Get('chart.numticks.inner'); + + this.context.lineWidth = 1; + this.context.strokeStyle = this.Get('chart.strokestyle'); + + this.context.beginPath(); + + for (var y = this.gutterTop; y<RGraph.GetHeight(this) - this.gutterBottom; y+=spacing) { + this.context.moveTo(this.gutterLeft, y); + this.context.lineTo(this.gutterLeft + 3, y); + + this.context.moveTo(RGraph.GetWidth(this) - this.gutterRight, y); + this.context.lineTo(RGraph.GetWidth(this) - this.gutterRight - 3, y); + } + + this.context.stroke(); + } + + /** + * Draw the actual bar + */ + var barHeight = Math.min(this.height, ( (this.value - this.Get('chart.min')) / (this.max - this.Get('chart.min')) ) * this.height); + + this.context.beginPath(); + this.context.strokeStyle = this.Get('chart.strokestyle'); + + if (typeof(this.value) == 'number') { + this.context.strokeRect(this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight); + this.context.fillRect(this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight); + } + + + /** + * Draw the arrows indicating the level if requested + */ + if (this.Get('chart.arrows')) { + var x = this.gutterLeft - 4; + var y = RGraph.GetHeight(this) - this.gutterBottom - barHeight; + + this.context.lineWidth = 1; + this.context.fillStyle = 'black'; + this.context.strokeStyle = 'black'; + + this.context.beginPath(); + this.context.moveTo(x, y); + this.context.lineTo(x - 4, y - 2); + this.context.lineTo(x - 4, y + 2); + this.context.closePath(); + + this.context.stroke(); + this.context.fill(); + + x += this.width + 8; + + this.context.beginPath(); + this.context.moveTo(x, y); + this.context.lineTo(x + 4, y - 2); + this.context.lineTo(x + 4, y + 2); + this.context.closePath(); + + this.context.stroke(); + this.context.fill(); + } + + + + + /** + * Draw the "in-bar" label + */ + if (this.Get('chart.label.inner')) { + this.context.beginPath(); + this.context.fillStyle = 'black'; + RGraph.Text(this.context, this.Get('chart.text.font'), this.Get('chart.text.size') + 2, RGraph.GetWidth(this) / 2, RGraph.GetHeight(this) - this.gutterBottom - barHeight - 5, String(this.Get('chart.units.pre') + this.value + this.Get('chart.units.post')), 'bottom', 'center'); + this.context.fill(); + } + + + // Store the coords + this.coords.push([this.gutterLeft + margin, this.gutterTop + this.height - barHeight, this.width - margin - margin, barHeight]); + } + + /** + * The function that draws the tick marks. Apt name... + */ + RGraph.VProgress.prototype.DrawTickMarks = function () + { + this.context.strokeStyle = this.Get('chart.tickmarks.color'); + + if (this.Get('chart.tickmarks')) { + this.context.beginPath(); + for (var i=0; this.Get('chart.tickmarks.zerostart') ? i<=this.Get('chart.numticks') : i<this.Get('chart.numticks'); i++) { + + var startX = this.Get('chart.labels.position') == 'left' ? this.gutterLeft : this.canvas.width - this.Get('chart.gutter.right'); + var endX = this.Get('chart.labels.position') == 'left' ? startX - 4 : startX + 4; + var yPos = (this.height * (i / this.Get('chart.numticks'))) + this.gutterTop + + this.context.moveTo(startX, yPos); + this.context.lineTo(endX, yPos); + } + this.context.stroke(); + } + } + + + /** + * The function that draws the labels + */ + RGraph.VProgress.prototype.DrawLabels = function () + { + this.context.fillStyle = this.Get('chart.text.color'); + + var context = this.context; + var position = this.Get('chart.labels.position'); + var xAlignment = position == 'left' ? 'right' : 'left'; + var yAlignment = 'center'; + var count = this.Get('chart.labels.count'); + var units_pre = this.Get('chart.units.pre'); + var units_post = this.Get('chart.units.post'); + var text_size = this.Get('chart.text.size'); + var text_font = this.Get('chart.text.font'); + + if (this.Get('chart.tickmarks')) { + + for (var i=0; i<count ; ++i) { + + var text = String( + ((( (this.max - this.Get('chart.min')) / count) * (count - i)) + this.Get('chart.min')).toFixed(this.Get('chart.scale.decimals')) + ); + + RGraph.Text(context, + text_font, + text_size, + position == 'left' ? (this.gutterLeft - 5) : (RGraph.GetWidth(this) - this.gutterRight + 5), + (((RGraph.GetHeight(this) - this.gutterTop - this.gutterBottom) / count) * i) + this.gutterTop, + units_pre + text + units_post, + yAlignment, + xAlignment); + } + + /** + * Show zero? + */ + if (this.Get('chart.tickmarks.zerostart') && this.Get('chart.min') == 0) { + RGraph.Text(context, + text_font, + text_size, + position == 'left' ? (this.gutterLeft - 5) : (RGraph.GetWidth(this) - this.gutterRight + 5), + RGraph.GetHeight(this) - this.gutterBottom, units_pre + String(this.Get('chart.min').toFixed(this.Get('chart.scale.decimals'))) + units_post, + yAlignment, + xAlignment); + } + + /** + * chart.ymin is set + */ + if (this.Get('chart.min') != 0) { + RGraph.Text(context, + text_font, + text_size, + position == 'left' ? (this.gutterLeft - 5) : (RGraph.GetWidth(this) - this.gutterRight + 5), + RGraph.GetHeight(this) - this.gutterBottom, units_pre + String(this.Get('chart.min').toFixed(this.Get('chart.scale.decimals'))) + units_post, + yAlignment, + xAlignment); + } + } + + // Draw the title text + if (this.Get('chart.title')) { + RGraph.Text(context, + text_font, + text_size + 2, + this.gutterLeft + ((this.canvas.width - this.gutterLeft - this.gutterRight) / 2), // X + this.gutterTop - text_size, // Y + this.Get('chart.title'), + null, + 'center',null, null, null, true); + } + } + + + /** + * Returns the focused bar + * + * @param event e The event object + */ + RGraph.VProgress.prototype.getBar = function (e) + { + var obj = e.target.__object__; + var mouseCoords = RGraph.getMouseXY(e) + + for (var i=0; i<obj.coords.length; i++) { + + var mouseCoords = RGraph.getMouseXY(e); + var mouseX = mouseCoords[0]; + var mouseY = mouseCoords[1]; + var left = obj.coords[i][0]; + var top = obj.coords[i][1]; + var width = obj.coords[i][2]; + var height = obj.coords[i][3]; + var idx = i; + + if (mouseX >= left && mouseX <= (left + width) && mouseY >= top && mouseY <= (top + height) ) { + return [obj, left, top, width, height, idx]; + } + } + }
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