diff --git a/docs/assets/js/index.js b/docs/assets/js/index.js index 2585b88..05db4ac 100755 --- a/docs/assets/js/index.js +++ b/docs/assets/js/index.js @@ -70,18 +70,33 @@ let type_data = { ] }; +let update_data_all_labels = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Mon", "Tue", "Wed", + "Thu", "Fri", "Sat", "Sun", "Mon", "Tue", "Wed"]; +let update_data_all_values = [25, 40, 30, 35, 48, 52, 17, 15, 20, -3, -15, 58, + 12, -17, 35, 48, 40, 30, 52, 17, 25, 5, 48, 52, 17]; + +// We're gonna be shuffling this +let update_data_all_indices = update_data_all_labels.map((d,i) => i); + +let get_update_data = (source_array, length=10) => { + let indices = update_data_all_indices.slice(0, length); + return indices.map((index) => source_array[index]); +} + let update_data = { - "labels": ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], + "labels": get_update_data(update_data_all_labels), "datasets": [{ "color": "red", - "values": [25, 40, 30, 35, 48, 52, 17] + "values": get_update_data(update_data_all_values) } ], "specific_values": [ { title: "Altitude", - line_type: "dashed", // "dashed" or "solid" - value: 43 + // title: "Altiteragrwst ude", + line_type: "dashed", + value: 38 }, ] }; @@ -138,7 +153,7 @@ let bar_composite_chart = new frappe.chart.FrappeChart ({ let line_composite_chart = new frappe.chart.FrappeChart ({ parent: "#chart-composite-2", data: line_composite_data, - type: 'line', + type: 'bar', height: 180 }) @@ -188,3 +203,44 @@ let heatmap = new frappe.chart.FrappeChart({ // Events // ================================================================================ + +Array.prototype.slice.call( + document.querySelectorAll('.chart-type-buttons button') +).map(el => { + el.addEventListener('click', (e) => { + btn = e.target; + let type = btn.getAttribute('data-type'); + + type_chart = type_chart.get_different_chart(type); + + Array.prototype.slice.call( + btn.parentNode.querySelectorAll('button')).map(el => { + el.classList.remove('active'); + }); + btn.classList.add('active'); + }); +}); + +let chart_update_buttons = document.querySelector('.chart-update-buttons'); + +chart_update_buttons.querySelector('[data-update="random"]').addEventListener("click", (e) => { + $$.shuffle(update_data_all_indices); + update_chart.update_values( + [{values: get_update_data(update_data_all_values)}], + get_update_data(update_data_all_labels) + ); +}); + +chart_update_buttons.querySelector('[data-update="add"]').addEventListener("click", (e) => { + // NOTE: this ought to be problem, labels stay the same after update + let index = update_chart.x.length; // last index to add + if(index >= update_data_all_indices.length) return; + update_chart.add_data_point( + [update_data_all_values[index]], update_data_all_labels[index] + ); +}); + +chart_update_buttons.querySelector('[data-update="remove"]').addEventListener("click", (e) => { + update_chart.remove_data_point(); +}); + diff --git a/docs/index.html b/docs/index.html index e4cbbf6..d811945 100644 --- a/docs/index.html +++ b/docs/index.html @@ -8,7 +8,7 @@ - + @@ -33,11 +33,11 @@
-
+

Use arrow keys to navigate data points

-
+
@@ -47,15 +47,16 @@
- Bars, Lines or Percentages + + Create a new chart
+
<div id="chart"></div>
-
- - - +
+ + +
-
<div id="chart"></div>
@@ -64,11 +65,12 @@
Update Values
+
<div id="chart"></div>
-
- - - +
+ + +
<div id="chart"></div>
@@ -131,15 +133,16 @@
-

Made by pratu16x7. Used in ERPNext.

+

Made by pratu16x7. Used in ERPNext.

+

Data from NASA Open APIs

- + diff --git a/src/charts.css b/src/charts.css index 05c5485..f992f5d 100644 --- a/src/charts.css +++ b/src/charts.css @@ -45,7 +45,7 @@ } .chart-container .axis line, .chart-container .chart-label line { - stroke: rgba(27, 31, 35, 0.2); + stroke: #dadada; } .chart-container .percentage-graph .progress { margin-bottom: 0px; diff --git a/src/charts.js b/src/charts.js index f9e2db1..84c6b45 100644 --- a/src/charts.js +++ b/src/charts.js @@ -18,7 +18,7 @@ // Validate all arguments, check passed data format, set defaults "use strict"; -let frappe = {chart:{}}; +let frappe = {chart:{}, chart_types:['line', 'bar', 'percentage', 'heatmap']}; frappe.chart.FrappeChart = class { constructor({ @@ -50,6 +50,8 @@ frappe.chart.FrappeChart = class { } } + this.raw_chart_args = arguments[0]; + this.parent = document.querySelector(parent); this.title = title; this.subtitle = subtitle; @@ -65,9 +67,45 @@ frappe.chart.FrappeChart = class { this.current_index = 0; } + $$.createSVG('svg', { + className: 'chart', + inside: parent, + width: 1000, + height: height + }); + this.set_margins(height); } + get_different_chart(type) { + if(!frappe.chart_types.includes(type)) { + console.error(`'${type}' is not a valid chart type.`); + } + if(type === this.type) return; + + // Only across compatible types + let compatible_types = { + bar: ['line', 'percentage'], + line: ['bar', 'percentage'], + percentage: ['bar', 'line'], + heatmap: [] + } + + if(!compatible_types[this.type].includes(type)) { + console.error(`'${this.type}' chart cannot be converted to a '${type}' chart.`); + } + + // Okay, this is anticlimactic + // this function will need to be 'change_chart_type(type)' + // that will update only the required elements, but for now ... + return new frappe.chart.FrappeChart({ + parent: this.raw_chart_args.parent, + data: this.raw_chart_args.data, + type: type, + height: this.raw_chart_args.height + }); + } + set_margins(height) { this.base_height = height; this.height = height - 40; @@ -113,7 +151,7 @@ frappe.chart.FrappeChart = class { let special_values_width = 0; this.specific_values.map(val => { if(this.get_strwidth(val.title) > special_values_width) { - special_values_width = this.get_strwidth(val.title); + special_values_width = this.get_strwidth(val.title) - 40; } }); this.base_width = this.parent.offsetWidth - special_values_width; @@ -159,7 +197,7 @@ frappe.chart.FrappeChart = class { make_draw_area() { this.draw_area = $$.createSVG("g", { - className: this.type, + className: this.type + '-chart', inside: this.svg, transform: `translate(${this.translate_x}, ${this.translate_y})` }); @@ -305,13 +343,18 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { const y_pts = this.y_axis_values; const value_range = y_pts[y_pts.length-1] - y_pts[0]; + + if(this.multiplier) this.old_multiplier = this.multiplier; this.multiplier = this.height / value_range; + if(!this.old_multiplier) this.old_multiplier = this.multiplier; const zero_index = y_pts.indexOf(0); const interval = y_pts[1] - y_pts[0]; const interval_height = interval * this.multiplier; + if(this.zero_line) this.old_zero_line = this.zero_line; this.zero_line = this.height - (zero_index * interval_height); + if(!this.old_zero_line) this.old_zero_line = this.zero_line; } setup_components() { @@ -374,20 +417,14 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { // make HORIZONTAL lines for y values make_y_axis(animate=false) { - let width, text_end_at = -9, axis_line_class = '', start_at = 0; - if(this.y_axis_mode === 'span') { // long spanning lines - width = this.width + 6; - start_at = -6; - } else if(this.y_axis_mode === 'tick'){ // short label lines - width = -6; - axis_line_class = 'y-axis-label'; - } - if(animate) { - this.make_anim_y_axis(width, text_end_at, axis_line_class, start_at); + this.make_anim_y_axis(); + this.make_anim_y_specifics(); return; } + let [width, text_end_at, axis_line_class, start_at] = this.get_y_axis_line_props(); + this.y_axis_group.textContent = ''; this.y_axis_values.map((value, i) => { this.y_axis_group.appendChild( @@ -405,6 +442,22 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { }); } + get_y_axis_line_props(specific=false) { + if(specific) { + return[this.width, this.width + 5, 'specific-value', 0]; + } + let width, text_end_at = -9, axis_line_class = '', start_at = 0; + if(this.y_axis_mode === 'span') { // long spanning lines + width = this.width + 6; + start_at = -6; + } else if(this.y_axis_mode === 'tick'){ // short label lines + width = -6; + axis_line_class = 'y-axis-label'; + } + + return [width, text_end_at, axis_line_class, start_at]; + } + draw_graph() { // TODO: Don't animate on refresh let data = []; @@ -457,6 +510,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { make_y_specifics() { this.specific_values.map(d => { + this.specific_y_group.textContent = ''; this.specific_y_group.appendChild( this.make_y_line( 0, @@ -542,17 +596,16 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { setTimeout(() => { if(!this.updating) this.make_x_axis(); }, 300) - } else { - this.make_x_axis(); } if(!$$.arrays_equal(this.y_old_axis_values, this.y_axis_values)) { this.make_y_axis(true); setTimeout(() => { - if(!this.updating) this.make_y_axis(); + if(!this.updating) { + this.make_y_axis(); + this.make_y_specifics(); + } }, 300) - } else { - this.make_y_axis(); } // Change in data, so calculate dependencies @@ -566,9 +619,24 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { this.updating = false; } - add_data_point(data_point) { - this.x.push(data_point.label); - this.y.values.push(); + add_data_point(y_point, x_point, index=this.x.length) { + let new_y = this.y.map(data_set => { return {values:data_set.values}; }); + new_y.map((d, i) => { d.values.splice(index, 0, y_point[i]); }); + let new_x = this.x.slice(); + new_x.splice(index, 0, x_point); + + this.update_values(new_y, new_x); + } + + remove_data_point(index = this.x.length-1) { + if(this.x.length < 3) return; + + let new_y = this.y.map(data_set => { return {values:data_set.values}; }); + new_y.map((d, i) => { d.values.splice(index, 1); }); + let new_x = this.x.slice(); + new_x.splice(index, 1); + + this.update_values(new_y, new_x); } run_animation() { @@ -589,45 +657,6 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { }, 200); } - calc_old_and_new_postions(d, i) { - let old_x = this.x_old_axis_positions.slice(); - let new_x = this.x_axis_positions.slice(); - - let old_y = this.old_y_axis_tops[i].slice(); - let new_y = d.y_tops.slice(); - - const last_old_x_pos = old_x[old_x.length - 1]; - const last_old_y_pos = old_y[old_y.length - 1]; - - const last_new_x_pos = new_x[new_x.length - 1]; - const last_new_y_pos = new_y[new_y.length - 1]; - - if(this.no_of_extra_pts >= 0) { - // First substitute current path with a squiggled one (looking the same but - // having more points at end), - // then animate to stretch it later to new points - // (new points already have more points) - - // Hence, the extra end points will correspond to current(old) positions - let filler_x = new Array(Math.abs(this.no_of_extra_pts)).fill(last_old_x_pos); - let filler_y = new Array(Math.abs(this.no_of_extra_pts)).fill(last_old_y_pos); - - old_x = old_x.concat(filler_x); - old_y = old_y.concat(filler_y); - - } else { - // Just modify the new points to have extra points - // with the same position at end - let filler_x = new Array(Math.abs(this.no_of_extra_pts)).fill(last_new_x_pos); - let filler_y = new Array(Math.abs(this.no_of_extra_pts)).fill(last_new_y_pos); - - new_x = new_x.concat(filler_x); - new_y = new_y.concat(filler_y); - } - - return [old_x, old_y, new_x, new_y]; - } - animate_graphs() { this.y.map((d, i) => { // Pre-prep, equilize no of positions between old and new @@ -641,12 +670,12 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { }); // TODO: replace with real units - // setTimeout(() => { - // this.y.map((d, i) => { - // this.make_path && this.make_path(d, i, this.x_axis_positions, d.y_tops, d.color || this.colors[i]); - // this.make_new_units_for_dataset(this.x_axis_positions, d.y_tops, d.color || this.colors[i], i); - // }); - // }, 300); + setTimeout(() => { + this.y.map((d, i) => { + this.make_path && this.make_path(d, i, this.x_axis_positions, d.y_tops, d.color || this.colors[i]); + this.make_new_units_for_dataset(this.x_axis_positions, d.y_tops, d.color || this.colors[i], i); + }); + }, 300); } animate_path(d, i, old_x, old_y, new_x, new_y) { @@ -685,6 +714,45 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { }); } + calc_old_and_new_postions(d, i) { + let old_x = this.x_old_axis_positions.slice(); + let new_x = this.x_axis_positions.slice(); + + let old_y = this.old_y_axis_tops[i].slice(); + let new_y = d.y_tops.slice(); + + const last_old_x_pos = old_x[old_x.length - 1]; + const last_old_y_pos = old_y[old_y.length - 1]; + + const last_new_x_pos = new_x[new_x.length - 1]; + const last_new_y_pos = new_y[new_y.length - 1]; + + if(this.no_of_extra_pts >= 0) { + // First substitute current path with a squiggled one (looking the same but + // having more points at end), + // then animate to stretch it later to new points + // (new points already have more points) + + // Hence, the extra end points will correspond to current(old) positions + let filler_x = new Array(Math.abs(this.no_of_extra_pts)).fill(last_old_x_pos); + let filler_y = new Array(Math.abs(this.no_of_extra_pts)).fill(last_old_y_pos); + + old_x = old_x.concat(filler_x); + old_y = old_y.concat(filler_y); + + } else { + // Just modify the new points to have extra points + // with the same position at end + let filler_x = new Array(Math.abs(this.no_of_extra_pts)).fill(last_new_x_pos); + let filler_y = new Array(Math.abs(this.no_of_extra_pts)).fill(last_new_y_pos); + + new_x = new_x.concat(filler_x); + new_y = new_y.concat(filler_y); + } + + return [old_x, old_y, new_x, new_y]; + } + make_anim_x_axis(height, text_start_at, axis_line_class) { // Animate X AXIS to account for more or less axis lines @@ -713,7 +781,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { 250, "easein", "translate", - `${ old_pos }, 0` + {transform: `${ old_pos }, 0`} ]); } @@ -729,7 +797,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { ); } - make_anim_y_axis(width, text_end_at, axis_line_class, start_at) { + make_anim_y_axis() { // Animate Y AXIS to account for more or less axis lines const old_pos = this.y_old_axis_values.map(value => @@ -742,32 +810,6 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { const last_line_pos = old_pos[old_pos.length - 1]; - let add_and_animate_line = (value, old_pos, new_pos, i) => { - const y_line = this.make_y_line( - start_at, - width, - text_end_at, - value, - 'y-value-text', - axis_line_class, - old_pos, // old position - (value === 0 && i !== 0) // Non-first Zero line - ); - - // this.zero_line - value * this.multiplier - this.y_axis_group.appendChild(y_line); - // console.log(`0, ${ new_pos }`, `0, ${ old_pos }`); - - this.elements_to_animate && this.elements_to_animate.push([ - {unit: y_line, array: [0], index: 0}, - {transform: `0, ${ new_pos }`}, - 250, - "easein", - "translate", - `0, ${ old_pos }` - ]); - } - this.y_axis_group.textContent = ''; this.make_new_axis_anim_lines( @@ -776,11 +818,27 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { old_vals, new_vals, last_line_pos, - add_and_animate_line + this.add_and_animate_y_line.bind(this), + this.y_axis_group ); } - make_new_axis_anim_lines(old_pos, new_pos, old_vals, new_vals, last_line_pos, add_and_animate_line) { + make_anim_y_specifics() { + this.specific_y_group.textContent = ''; + this.specific_values.map((d, i) => { + this.add_and_animate_y_line( + d.title, + this.old_zero_line - d.value * this.old_multiplier, + this.zero_line - d.value * this.multiplier, + 0, + this.specific_y_group, + d.line_type, + true + ); + }); + } + + make_new_axis_anim_lines(old_pos, new_pos, old_vals, new_vals, last_line_pos, add_and_animate_line, group) { let superimposed_positions, superimposed_values; let no_of_extras = new_vals.length - old_vals.length; if(no_of_extras > 0) { @@ -802,7 +860,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { // console.log(superimposed_values, old_pos, new_pos); superimposed_values.map((value, i) => { - add_and_animate_line(value, old_pos[i], superimposed_positions[i], i); + add_and_animate_line(value, old_pos[i], superimposed_positions[i], i, group); }); if(no_of_extras > 0) { @@ -812,7 +870,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { const extra_positions = new_pos.slice(old_pos.length); extra_values.map((value, i) => { - add_and_animate_line(value, last_line_pos, extra_positions[i], i); + add_and_animate_line(value, last_line_pos, extra_positions[i], i, group); }); } } @@ -883,7 +941,34 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { return y_level; } - // Helpers + add_and_animate_y_line(value, old_pos, new_pos, i, group, type, specific=false) { + let [width, text_end_at, axis_line_class, start_at] = this.get_y_axis_line_props(specific); + let axis_label_class = !specific ? 'y-value-text' : 'specific-value'; + value = !specific ? value : (value+"").toUpperCase(); + const y_line = this.make_y_line( + start_at, + width, + text_end_at, + value, + axis_label_class, + axis_line_class, + old_pos, // old position + (value === 0 && i !== 0), // Non-first Zero line + type + ); + + group.appendChild(y_line); + + this.elements_to_animate && this.elements_to_animate.push([ + {unit: y_line, array: [0], index: 0}, + {transform: `0, ${ new_pos }`}, + 250, + "easein", + "translate", + {transform: `0, ${ old_pos }`} + ]); + } + get_y_axis_points(array) { //*** Where the magic happens *** @@ -967,13 +1052,12 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { // and a consequent optimal number of parts const part_size = Math.pow(10, ((max_val+"").length - 1)); - - let no_of_parts = this.calc_no_of_parts(max_val, part_size); + const no_of_parts = this.calc_no_of_parts(max_val, part_size); // Use it to get a nice even upper bound const upper_bound = part_size * no_of_parts; - return [upper_bound, this.get_optimal_no_of_parts(no_of_parts)]; + return [upper_bound, no_of_parts]; } calc_no_of_parts(value, divisor) { @@ -1020,7 +1104,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { }); } - get_rect_height_and_y_attr(y_top) { + get_bar_height_and_y_attr(y_top) { let height, y; if (y_top <= this.zero_line) { height = this.zero_line - y_top; @@ -1028,7 +1112,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { // In case of invisible bars if(height === 0) { - height = this.height * 0.02; + height = this.height * 0.01; y -= height; } } else { @@ -1037,7 +1121,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { // In case of invisible bars if(height === 0) { - height = this.height * 0.02; + height = this.height * 0.01; } } @@ -1053,7 +1137,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { let width = total_width / args.no_of_datasets; let current_x = start_x + width * index; - let [height, y] = this.get_rect_height_and_y_attr(y_top); + let [height, y] = this.get_bar_height_and_y_attr(y_top); return $$.createSVG('rect', { className: `bar mini fill ${color}`, @@ -1065,6 +1149,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { }, 'dot': (x, y, args, color) => { + console.log(x, y); return $$.createSVG('circle', { className: `fill ${color}`, cx: x, @@ -1078,7 +1163,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { 'bar': (bar_obj, x, y_top, index) => { let start = x - this.avg_unit_width/4; let width = (this.avg_unit_width/2)/this.y.length; - let [height, y] = this.get_rect_height_and_y_attr(y_top); + let [height, y] = this.get_bar_height_and_y_attr(y_top); x = start + (width * index); @@ -1086,6 +1171,7 @@ frappe.chart.AxisChart = class AxisChart extends frappe.chart.FrappeChart { // bar.animate({height: args.new_height, y: y_top}, 250, mina.easein); }, 'dot': (dot_obj, x, y_top) => { + console.log(dot_obj, x, y_top); return [dot_obj, {cx: x, cy: y_top}, 250, "easein"]; // dot.animate({cy: y_top}, 250, mina.easein); } @@ -1097,7 +1183,7 @@ frappe.chart.BarChart = class BarChart extends frappe.chart.AxisChart { constructor(args) { super(args); - this.type = 'bar-graph'; + this.type = 'bar'; this.x_axis_mode = args.x_axis_mode || 'tick'; this.y_axis_mode = args.y_axis_mode || 'span'; this.setup(); @@ -1164,7 +1250,7 @@ frappe.chart.LineChart = class LineChart extends frappe.chart.AxisChart { return; } - this.type = 'line-graph'; + this.type = 'line'; this.region_fill = args.region_fill; this.x_axis_mode = args.x_axis_mode || 'span'; this.y_axis_mode = args.y_axis_mode || 'span'; @@ -1250,6 +1336,7 @@ frappe.chart.LineChart = class LineChart extends frappe.chart.AxisChart { frappe.chart.PercentageChart = class PercentageChart extends frappe.chart.FrappeChart { constructor(args) { super(args); + this.type = 'percentage'; this.get_x_label = this.format_lambdas.x_label; this.get_y_label = this.format_lambdas.y_label; @@ -1811,6 +1898,29 @@ $$.arrays_equal = (arr1, arr2) => { return are_equal; } +$$.shuffle = (array) => { + // https://stackoverflow.com/a/2450976/6495043 + // Awesomeness: https://bost.ocks.org/mike/shuffle/ + + var currentIndex = array.length, temporaryValue, randomIndex; + + // While there remain elements to shuffle... + while (0 !== currentIndex) { + + // Pick a remaining element... + randomIndex = Math.floor(Math.random() * currentIndex); + currentIndex -= 1; + + // And swap it with the current element. + temporaryValue = array[currentIndex]; + array[currentIndex] = array[randomIndex]; + array[randomIndex] = temporaryValue; + } + + return array; + +} + // $$.findNodeIndex = (node) => // { // var i = 0; @@ -1913,7 +2023,7 @@ $$.runSVGAnimation = (svg_container, elements) => { // $$.animateMotion = (element, props, dur, easing_type="linear") -$$.animateSVG = (element, props, dur, easing_type="linear", type=undefined, old_value=undefined) => { +$$.animateSVG = (element, props, dur, easing_type="linear", type=undefined, old_values={}) => { let easing = { ease: "0.25 0.1 0.25 1", linear: "0 0 1 1", @@ -1933,7 +2043,7 @@ $$.animateSVG = (element, props, dur, easing_type="linear", type=undefined, old_ } else { animate_element = document.createElementNS("http://www.w3.org/2000/svg", "animate"); } - let current_value = old_value || element.getAttribute(attributeName); + let current_value = old_values[attributeName] || element.getAttribute(attributeName); let value = props[attributeName]; let anim_attr = {