chartjs-plugin-dragdata - npm Package Compare versions

Comparing version 2.0.2 to 2.1.0

dist/chartjs-plugin-dragdata.js

@@ -1264,3 +1264,3 @@ (function (global, factory) {
 
-  let element, yAxisID, xAxisID, rAxisID, type, stacked, initValue, curDatasetIndex, curIndex;
+  let element, yAxisID, xAxisID, rAxisID, type, stacked, floatingBar, initValue, curDatasetIndex, curIndex;
   let isDragging = false;
@@ -1299,2 +1299,6 @@
         stacked = chartInstance.config.options.scales[xAxisID].stacked;
+
+        // if a bar has a data point that is an array of length 2, it's a floating bar
+        const samplePoint = chartInstance.data.datasets[0].data[0];
+        floatingBar = (samplePoint !== null) && Array.isArray(samplePoint) && samplePoint.length == 2;
         let newPos = calcPosition(e, chartInstance, datasetIndex, index);
@@ -1367,2 +1371,25 @@ initValue = newPos - curValue;
     
+    if (floatingBar) {
+      // x contains the new value for one end of the floating bar
+      // dataPoint contains the old interval [left, right] of the floating bar
+      // calculate difference between the new value and both sides
+      // the side with the smallest difference from the new value was the one that was dragged
+      // return an interval with new value on the dragged side and old value on the other side
+      let newVal;
+      // choose the right variable based on the orientation of the graph(vertical, horizontal)
+      if (chartInstance.config.options.indexAxis === 'y') {
+        newVal = x;
+      } else {
+        newVal = y;
+      }
+      const diffFromLeft = Math.abs(newVal - dataPoint[0]);
+      const diffFromRight = Math.abs(newVal - dataPoint[1]);
+
+      if (diffFromLeft <= diffFromRight) {
+        return [newVal, dataPoint[1]]
+      } else {
+        return [dataPoint[0], newVal]
+      }
+    }
+
     if (dataPoint.x !== undefined && chartInstance.config.options.plugins.dragData.dragX) {
@@ -1400,2 +1427,4 @@ dataPoint.x = x;
         dataPoint = roundValue(cursorPos - initValue, pluginOptions.round);
+      } else if (floatingBar) {
+        dataPoint = calcPosition(e, chartInstance, curDatasetIndex, curIndex);
       } else {
@@ -1402,0 +1431,0 @@ dataPoint = calcPosition(e, chartInstance, curDatasetIndex, curIndex);

dist/chartjs-plugin-dragdata.min.js

@@ -1,1 +0,1 @@
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qt=(t,n,e,r)=>{if(Mt){jt=Mt.datasetIndex,Lt=Mt.index,Ot=!0;let i=n.data.datasets[jt].data[Lt];if("radar"===Bt)i=function(t,n){let e,r,i;t.touches?(e=t.touches[0].clientX-n.canvas.getBoundingClientRect().left,r=t.touches[0].clientY-n.canvas.getBoundingClientRect().top):(e=t.clientX-n.canvas.getBoundingClientRect().left,r=t.clientY-n.canvas.getBoundingClientRect().top);let o=n.scales[Tt],a=Math.sqrt(Math.pow(e-o.xCenter,2)+Math.pow(r-o.yCenter,2)),u=o.drawingArea/(o.max-o.min);return i=o.options.ticks.reverse?o.max-a/u:o.min+a/u,i=Vt(i,n.config.options.plugins.dragData.round),i=i>n.scales[Tt].max?n.scales[Tt].max:i,i=i<n.scales[Tt].min?n.scales[Tt].min:i,i}(t,n);else if(kt){i=Vt(Xt(t,n,jt,Lt)-Rt,e.round)}else i=Xt(t,n,jt,Lt);(void 0===e.showTooltip||e.showTooltip)&&n.tooltip.setActiveElements([Mt],{x:Mt.element.x,y:Mt.element.y}),(!r||"function"==typeof r&&!1!==r(t,jt,Lt,i))&&(n.data.datasets[jt].data[Lt]=i,n.update("none"))}};const Yt={id:"dragdata",afterInit:function(t){if(t.config.options.plugins&&t.config.options.plugins.dragData){const n=t.config.options.plugins.dragData;yt(t.canvas).call(St().container(t.canvas).on("start",(e=>((t,n,e)=>{if(Mt=n.getElementsAtEventForMode(t,"nearest",{intersect:!0},!1)[0],Bt=n.config.type,Mt){let r=Mt.datasetIndex,i=Mt.index;const o=n.data.datasets[r],a=n.getDatasetMeta(r);let u=o.data[i];if(Pt=a.xAxisID,Nt=a.yAxisID,Tt=a.rAxisID,!1===o.dragData||n.config.options.scales[Pt]&&!1===n.config.options.scales[Pt].dragData||n.config.options.scales[Nt]&&!1===n.config.options.scales[Nt].dragData||n.config.options.scales[Tt]&&!1===n.config.options.scales[Tt].rAxisID||!1===o.data[Mt.index].dragData)return void(Mt=null);if("bar"===Bt){kt=n.config.options.scales[Pt].stacked;const e=n.data.datasets[0].data[0];It=null!==e&&Array.isArray(e)&&2==e.length;let o=Xt(t,n,r,i);Rt=o-u}"function"==typeof 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package.json

 {
   "name": "chartjs-plugin-dragdata",
-  "version": "2.0.2",
+  "version": "2.1.0",
   "description": "Draggable data points for Chart.js",
@@ -5,0 +5,0 @@ "main": "dist/chartjs-plugin-dragdata.js",

README.md

@@ -16,2 +16,4 @@ # chartjs-plugin-dragdata.js
 | Bubble - Simple Bubble                                                                                                         | [demo](https://chrispahm.github.io/chartjs-plugin-dragdata/bubble.html)               | [source](https://raw.githubusercontent.com/chrispahm/chartjs-plugin-dragdata/master/docs/bubble.html)               |
+| Floating bar - simple floating bars                                                                                            | [demo](https://chrispahm.github.io/chartjs-plugin-dragdata/floatingBar.html)                  | [source](https://raw.githubusercontent.com/chrispahm/chartjs-plugin-dragdata/master/docs/floatingBar.html) |
+| Floating bar - simple floating bars, horizontal                                                                                | [demo](https://chrispahm.github.io/chartjs-plugin-dragdata/horizontalFloatingBar.html)  | [source](https://raw.githubusercontent.com/chrispahm/chartjs-plugin-dragdata/master/docs/horizontalFloatingBar.html)         |
 | Horizontal Bar - Simple Horizontal Bar                                                                                         | [demo](https://chrispahm.github.io/chartjs-plugin-dragdata/horizontalBar.html)        | [source](https://raw.githubusercontent.com/chrispahm/chartjs-plugin-dragdata/master/docs/horizontalBar.html)        |
@@ -22,3 +24,3 @@ | Line - Single Y-Axis                                                                                                           | [demo](https://chrispahm.github.io/chartjs-plugin-dragdata/)                          | [source](https://raw.githubusercontent.com/chrispahm/chartjs-plugin-dragdata/master/docs/index.html)                |
 | Line - Small                                                                                                                   | [demo](https://chrispahm.github.io/chartjs-plugin-dragdata/smallChart.html)           | [source](https://raw.githubusercontent.com/chrispahm/chartjs-plugin-dragdata/master/docs/smallChart.html)           |
-| Line - React Fiddle                                                                                                            | [demo](https://jsfiddle.net/3v9kexbh/)                                                | [source](https://jsfiddle.net/3v9kexbh/)                                                                            |
+| Line - React Fiddle                                                                                                            | [demo](https://jsfiddle.net/16kvxd4u/3/)                                                | [source](https://jsfiddle.net/16kvxd4u/3/)                                                                            |
 | Line - Drag x-, and y-axis (scatter chart)                                                                                     | [demo](https://chrispahm.github.io/chartjs-plugin-dragdata/scatter.html)              | [source](https://chrispahm.github.io/chartjs-plugin-dragdata/scatter.html)                                          |
@@ -25,0 +27,0 @@ | Line - Drag dates (x and y axis)                                                                                               | [demo](https://jsfiddle.net/f72kz348/9/)                                              | [source](https://jsfiddle.net/f72kz348/9/)                                                                          |

src/index.js

@@ -5,3 +5,3 @@ import {Chart} from 'chart.js'
 
-let element, yAxisID, xAxisID, rAxisID, type, stacked, initValue, curDatasetIndex, curIndex, eventSettings
+let element, yAxisID, xAxisID, rAxisID, type, stacked, floatingBar, initValue, curDatasetIndex, curIndex, eventSettings
 let isDragging = false
@@ -40,2 +40,7 @@
       stacked = chartInstance.config.options.scales[xAxisID].stacked
+
+      // if a bar has a data point that is an array of length 2, it's a floating bar
+      const samplePoint = chartInstance.data.datasets[0].data[0]
+      floatingBar = (samplePoint !== null) && Array.isArray(samplePoint) && samplePoint.length == 2
+
       let data = {}
@@ -109,2 +114,25 @@ let newPos = calcPosition(e, chartInstance, datasetIndex, index, data)
   
+  if (floatingBar) {
+    // x contains the new value for one end of the floating bar
+    // dataPoint contains the old interval [left, right] of the floating bar
+    // calculate difference between the new value and both sides
+    // the side with the smallest difference from the new value was the one that was dragged
+    // return an interval with new value on the dragged side and old value on the other side
+    let newVal
+    // choose the right variable based on the orientation of the graph(vertical, horizontal)
+    if (chartInstance.config.options.indexAxis === 'y') {
+      newVal = x
+    } else {
+      newVal = y
+    }
+    const diffFromLeft = Math.abs(newVal - dataPoint[0])
+    const diffFromRight = Math.abs(newVal - dataPoint[1])
+
+    if (diffFromLeft <= diffFromRight) {
+      return [newVal, dataPoint[1]]
+    } else {
+      return [dataPoint[0], newVal]
+    }
+  }
+
   if (dataPoint.x !== undefined && chartInstance.config.options.plugins.dragData.dragX) {
@@ -142,2 +170,4 @@ dataPoint.x = x
       dataPoint = roundValue(cursorPos - initValue, pluginOptions.round)
+    } else if (floatingBar) {
+      dataPoint = calcPosition(e, chartInstance, curDatasetIndex, curIndex, dataPoint)
     } else {
@@ -144,0 +174,0 @@ dataPoint = calcPosition(e, chartInstance, curDatasetIndex, curIndex, dataPoint)

No alert changes

Improved metrics

Total package byte prevSize

167699

increased by4.49%

Number of package files

26

increased by8.33%

Lines of code

1774

increased by3.2%

Number of lines in readme file

211

increased by0.96%

No dependency changes