From 723d346605349c66e7fe3eab4018f88eea7b5b70 Mon Sep 17 00:00:00 2001
From: Sergey Solodyagin <solodyagin@gmail.com>
Date: Wed, 1 Dec 2021 14:16:03 +0300
Subject: [PATCH] BEM methodology

---
 README.md                         |   2 +-
 lib/components/GGanttBar.vue      |  24 +++--
 lib/components/GGanttChart.vue    |  35 +++---
 lib/components/GGanttGrid.vue     |   9 +-
 lib/components/GGanttRow.vue      |  14 +--
 lib/components/GGanttTimeaxis.vue |  18 ++--
 lib/scss/vue-ganttastic.scss      | 170 +++++++++++++++---------------
 7 files changed, 138 insertions(+), 134 deletions(-)

diff --git a/README.md b/README.md
index 0801282..b26dd86 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,7 @@ The following code showcases a simple usage example in a .vue SFC (Single File C
   @import '~@tenrok/vue-ganttastic/dist/vue-ganttastic.css';
 
   /* Custom */
-  .g-grid-line-highlighted {
+  .g-gantt-line-highlighted {
     background: #ffb0b0 !important;
   }
 </style>
diff --git a/lib/components/GGanttBar.vue b/lib/components/GGanttBar.vue
index afe7540..9479709 100644
--- a/lib/components/GGanttBar.vue
+++ b/lib/components/GGanttBar.vue
@@ -1,8 +1,12 @@
 <template>
   <div>
     <div
-      ref="g-gantt-bar"
-      :class="['g-gantt-bar', { 'g-gantt-bar-immobile': barConfig.immobile }]"
+      ref="g-bar"
+      :class="[
+        'g-gantt-bar',
+        { 'g-gantt-bar-immobile': barConfig.immobile },
+        { 'g-gantt-bar-resizable': barConfig.handles }
+      ]"
       :style="barStyle"
       @mouseenter.stop="onMouseenter($event)"
       @mouseleave.stop="onMouseleave($event)"
@@ -11,21 +15,21 @@
       @dblclick="onDblclick($event)"
       @contextmenu="onContextmenu($event)"
     >
-      <div class="g-gantt-bar-label">
+      <div class="g-gantt-bar__label">
         <slot name="bar-label" :bar="localBar">
           {{ barConfig.label || '' }}
         </slot>
       </div>
       <template v-if="barConfig.handles">
-        <div class="g-gantt-bar-handle-left" />
-        <div class="g-gantt-bar-handle-right" />
+        <div class="g-gantt-bar__handle-left" />
+        <div class="g-gantt-bar__handle-right" />
       </template>
     </div>
 
     <transition name="fade" mode="out-in">
       <div
         v-if="!barConfig.noTooltip && (showTooltip || isDragging)"
-        class="g-gantt-tooltip"
+        class="g-gantt-bar__tooltip"
         :style="tooltipStyle"
       >
         <div
@@ -287,15 +291,15 @@ export default {
       this.barStartBeforeDrag = this.localBar[this.barStartKey]
       this.barEndBeforeDrag = this.localBar[this.barEndKey]
 
-      let barX = this.$refs['g-gantt-bar'].getBoundingClientRect().left
+      let barX = this.$refs['g-bar'].getBoundingClientRect().left
       this.cursorOffsetX = e.clientX - barX
       let mousedownType = e.target.className
       switch (mousedownType) {
-        case 'g-gantt-bar-handle-left':
+        case 'g-gantt-bar__handle-left':
           document.body.style.cursor = 'w-resize'
           this.mousemoveCallback = this.dragByHandleLeft
           break
-        case 'g-gantt-bar-handle-right':
+        case 'g-gantt-bar__handle-right':
           document.body.style.cursor = 'e-resize'
           this.mousemoveCallback = this.dragByHandleRight
           break
@@ -315,7 +319,7 @@ export default {
     drag(e) {
       const chart = e.target.closest('.g-gantt-chart')
       if (!chart) return
-      let barWidth = this.$refs['g-gantt-bar'].getBoundingClientRect().width
+      let barWidth = this.$refs['g-bar'].getBoundingClientRect().width
       let newXStart =
         chart.scrollLeft +
         e.clientX -
diff --git a/lib/components/GGanttChart.vue b/lib/components/GGanttChart.vue
index b730ba4..a779136 100644
--- a/lib/components/GGanttChart.vue
+++ b/lib/components/GGanttChart.vue
@@ -334,12 +334,11 @@ export default {
           })
         }
         if (totalGapDistance != null && side === 'left') {
-          bar.dragLimitLeft =
-            bar.$refs['g-gantt-bar'].offsetLeft - totalGapDistance
+          bar.dragLimitLeft = bar.$refs['g-bar'].offsetLeft - totalGapDistance
         } else if (totalGapDistance != null && side === 'right') {
           bar.dragLimitRight =
-            bar.$refs['g-gantt-bar'].offsetLeft +
-            bar.$refs['g-gantt-bar'].offsetWidth +
+            bar.$refs['g-bar'].offsetLeft +
+            bar.$refs['g-bar'].offsetWidth +
             totalGapDistance
         }
       }
@@ -371,10 +370,10 @@ export default {
       if (side === 'left') {
         while (nextBar) {
           let nextBarOffsetRight =
-            nextBar.$refs['g-gantt-bar'].offsetLeft +
-            nextBar.$refs['g-gantt-bar'].offsetWidth
+            nextBar.$refs['g-bar'].offsetLeft +
+            nextBar.$refs['g-bar'].offsetWidth
           gapDistanceSoFar +=
-            currentBar.$refs['g-gantt-bar'].offsetLeft - nextBarOffsetRight
+            currentBar.$refs['g-bar'].offsetLeft - nextBarOffsetRight
           if (
             nextBar.barConfig.immobile ||
             (nextBar.barConfig.isShadow && !ignoreShadows)
@@ -393,10 +392,10 @@ export default {
       if (side === 'right') {
         while (nextBar) {
           let currentBarOffsetRight =
-            currentBar.$refs['g-gantt-bar'].offsetLeft +
-            currentBar.$refs['g-gantt-bar'].offsetWidth
+            currentBar.$refs['g-bar'].offsetLeft +
+            currentBar.$refs['g-bar'].offsetWidth
           gapDistanceSoFar +=
-            nextBar.$refs['g-gantt-bar'].offsetLeft - currentBarOffsetRight
+            nextBar.$refs['g-bar'].offsetLeft - currentBarOffsetRight
           if (
             nextBar.barConfig.immobile ||
             (nextBar.barConfig.isShadow && !ignoreShadows)
@@ -422,9 +421,8 @@ export default {
           return (
             gBar.$options.name === GGanttBar.name &&
             gBar.$parent === bar.$parent &&
-            gBar.$refs['g-gantt-bar'] &&
-            gBar.$refs['g-gantt-bar'].offsetLeft <
-              bar.$refs['g-gantt-bar'].offsetLeft &&
+            gBar.$refs['g-bar'] &&
+            gBar.$refs['g-bar'].offsetLeft < bar.$refs['g-bar'].offsetLeft &&
             gBar.barConfig.pushOnOverlap !== false
           )
         })
@@ -433,9 +431,8 @@ export default {
           return (
             gBar.$options.name === GGanttBar.name &&
             gBar.$parent === bar.$parent &&
-            gBar.$refs['g-gantt-bar'] &&
-            gBar.$refs['g-gantt-bar'].offsetLeft >
-              bar.$refs['g-gantt-bar'].offsetLeft &&
+            gBar.$refs['g-bar'] &&
+            gBar.$refs['g-bar'].offsetLeft > bar.$refs['g-bar'].offsetLeft &&
             gBar.barConfig.pushOnOverlap !== false
           )
         })
@@ -443,12 +440,10 @@ export default {
       if (allBarsLeftOrRight.length > 0) {
         return allBarsLeftOrRight.reduce((bar1, bar2) => {
           let bar1Dist = Math.abs(
-            bar1.$refs['g-gantt-bar'].offsetLeft -
-              bar.$refs['g-gantt-bar'].offsetLeft
+            bar1.$refs['g-bar'].offsetLeft - bar.$refs['g-bar'].offsetLeft
           )
           let bar2Dist = Math.abs(
-            bar2.$refs['g-gantt-bar'].offsetLeft -
-              bar.$refs['g-gantt-bar'].offsetLeft
+            bar2.$refs['g-bar'].offsetLeft - bar.$refs['g-bar'].offsetLeft
           )
           return bar1Dist < bar2Dist ? bar1 : bar2
         }, allBarsLeftOrRight[0])
diff --git a/lib/components/GGanttGrid.vue b/lib/components/GGanttGrid.vue
index 04a48b6..e03c7a8 100644
--- a/lib/components/GGanttGrid.vue
+++ b/lib/components/GGanttGrid.vue
@@ -1,16 +1,15 @@
 <template>
   <div
-    ref="g-grid-container"
-    class="g-grid-container"
+    class="g-gantt-grid"
     :style="{ left: `${rowLabelWidth}px`, width: `${timeCount * gridSize}px` }"
   >
     <div
       v-for="(childPoint, index) in allChildPoints"
       :key="index"
       :class="[
-        'g-grid-line',
-        { 'g-grid-line-last': index === allChildPoints.length - 1 },
-        { 'g-grid-line-highlighted': isHighlighted(childPoint) }
+        'g-gantt-grid__line',
+        { 'g-gantt-grid-line-last': index === allChildPoints.length - 1 },
+        { 'g-gantt-line-highlighted': isHighlighted(childPoint) }
       ]"
       :style="{ width: `${gridSize}px` }"
     />
diff --git a/lib/components/GGanttRow.vue b/lib/components/GGanttRow.vue
index fa4b1a1..33afec4 100644
--- a/lib/components/GGanttRow.vue
+++ b/lib/components/GGanttRow.vue
@@ -1,17 +1,17 @@
 <template>
   <div
+    ref="g-row"
     class="g-gantt-row"
-    ref="g-gantt-row"
     :style="{ height: `${chartProps.rowHeight}px` }"
     v-on="$listeners"
   >
-    <div class="g-gantt-row-label" :style="rowLabelStyle">
+    <div class="g-gantt-row__label" :style="rowLabelStyle">
       <span :title="label">
         <slot name="label">{{ label }}</slot>
       </span>
     </div>
     <div
-      class="g-gantt-row-bars-container"
+      class="g-gantt-row__bars-container"
       ref="barContainer"
       :style="rowStyle"
       @dragover="onDragover($event)"
@@ -151,13 +151,13 @@ export default {
     onDragover(e) {
       e.preventDefault() // enables dropping content on row
       if (this.highlightOnHover) {
-        this.$refs['g-gantt-row'].style.backgroundColor =
+        this.$refs['g-row'].style.backgroundColor =
           this.themeColors.hoverHighlight
       }
     },
 
     onDragleave() {
-      this.$refs['g-gantt-row'].style.backgroundColor = null
+      this.$refs['g-row'].style.backgroundColor = null
     },
 
     onDrop(e) {
@@ -199,13 +199,13 @@ export default {
 
     onMouseover() {
       if (this.highlightOnHover) {
-        this.$refs['g-gantt-row'].style.backgroundColor =
+        this.$refs['g-row'].style.backgroundColor =
           this.themeColors.hoverHighlight
       }
     },
 
     onMouseleave() {
-      this.$refs['g-gantt-row'].style.backgroundColor = null
+      this.$refs['g-row'].style.backgroundColor = null
     },
 
     onWindowResize() {
diff --git a/lib/components/GGanttTimeaxis.vue b/lib/components/GGanttTimeaxis.vue
index 95dc056..82187c9 100644
--- a/lib/components/GGanttTimeaxis.vue
+++ b/lib/components/GGanttTimeaxis.vue
@@ -1,21 +1,21 @@
 <template>
   <div
     ref="g-timeaxis"
-    class="g-timeaxis"
+    class="g-gantt-timeaxis"
     :style="{ width: `${timeCount * gridSize + rowLabelWidth}px` }"
   >
     <div
-      class="g-timeaxis-empty-space"
+      class="g-gantt-timeaxis__empty-space"
       :style="{
         minWidth: `${rowLabelWidth}px`,
         background: themeColors.secondary
       }"
     />
-    <div class="g-timeaxis-days">
+    <div class="g-gantt-timeaxis__days">
       <div
         v-for="(point, index) in axisPoints"
         :key="point.text"
-        class="g-timeaxis-day"
+        class="g-gantt-timeaxis__day"
         :style="{
           background:
             index % 2 === 0 ? themeColors.primary : themeColors.secondary,
@@ -29,7 +29,7 @@
           <div
             v-for="(childPoint, index) in point.childPoints"
             :key="childPoint.fullDatetime"
-            class="g-timeaxis-hour"
+            class="g-gantt-timeaxis__hour"
             :style="{
               width: `${gridSize}px`,
               background:
@@ -41,14 +41,14 @@
               childPoint.text
             }}</span>
             <div
-              class="g-timeaxis-hour-pin"
+              class="g-gantt-timeaxis__hour-pin"
               :style="{ background: themeColors.text }"
             />
           </div>
         </div>
       </div>
     </div>
-    <div ref="g-timeaxis-marker" class="g-timeaxis-marker" />
+    <div ref="g-timeaxis-marker" class="g-gantt-timeaxis__marker" />
   </div>
 </template>
 
@@ -110,7 +110,9 @@ export default {
 
   methods: {
     initAxis() {
-     this.precision ===  'day'? this.initAxisDaysAndHours() : this.initAxisMonthsAndDays()
+      this.precision === 'day'
+        ? this.initAxisDaysAndHours()
+        : this.initAxisMonthsAndDays()
     },
 
     initAxisMonthsAndDays() {
diff --git a/lib/scss/vue-ganttastic.scss b/lib/scss/vue-ganttastic.scss
index 2a5f386..1e61737 100644
--- a/lib/scss/vue-ganttastic.scss
+++ b/lib/scss/vue-ganttastic.scss
@@ -10,20 +10,20 @@
   padding-bottom: 34px;
   border: 1px solid #eaeaea;
   box-sizing: border-box;
+
+  & >>> * {
+    font-family: Roboto, Verdana;
+  }
 }
 
-.g-gantt-chart >>> * {
-  font-family: Roboto, Verdana;
-}
-
-.g-timeaxis,
-.g-timeaxis-days,
-.g-timeaxis-day,
-.g-timeaxis-day > div {
+.g-gantt-timeaxis,
+.g-gantt-timeaxis__days,
+.g-gantt-timeaxis__day,
+.g-gantt-timeaxis__day > div {
   display: flex;
 }
 
-.g-timeaxis {
+.g-gantt-timeaxis {
   position: sticky;
   top: 0;
   background: white;
@@ -31,7 +31,7 @@
   box-shadow: 0px 1px 3px 2px rgba(50, 50, 50, 0.5);
 }
 
-.g-timeaxis > .g-timeaxis-empty-space {
+.g-gantt-timeaxis__empty-space {
   min-height: 100%;
   background: #f5f5f5;
   z-index: 5;
@@ -39,40 +39,40 @@
   position: sticky;
 }
 
-.g-timeaxis > .g-timeaxis-days {
+.g-gantt-timeaxis__days {
   position: relative;
   height: 100%;
 }
 
-.g-timeaxis-day {
+.g-gantt-timeaxis__day {
   height: 100%;
   flex-direction: column;
   background: #e0e0e0;
+
+  &:nth-child(odd) {
+    background: #e8e8e8;
+  }
+
+  & > div:nth-child(1) {
+    /* day text */
+    height: 50%;
+    justify-content: space-around;
+    font-weight: bold;
+    align-items: center;
+  }
+
+  & > div:nth-child(2) {
+    /* hours of a day */
+    align-items: flex-end;
+    height: 50%;
+    justify-content: space-between;
+    background: #f5f5f5;
+    padding-top: 2px;
+    color: #212121;
+  }
 }
 
-.g-timeaxis-day:nth-child(odd) {
-  background: #e8e8e8;
-}
-
-.g-timeaxis-day > div:nth-child(1) {
-  /* day text */
-  height: 50%;
-  justify-content: space-around;
-  font-weight: bold;
-  align-items: center;
-}
-
-.g-timeaxis-day > div:nth-child(2) {
-  /* hours of a day */
-  align-items: flex-end;
-  height: 50%;
-  justify-content: space-between;
-  background: #f5f5f5;
-  padding-top: 2px;
-  color: #212121;
-}
-
-.g-timeaxis-hour {
+.g-gantt-timeaxis__hour {
   display: flex;
   justify-content: space-between;
   align-items: flex-start;
@@ -80,12 +80,12 @@
   opacity: 0.5;
 }
 
-.g-timeaxis-hour-pin {
+.g-gantt-timeaxis__hour-pin {
   width: 1px;
   height: 8px;
 }
 
-.g-timeaxis-marker {
+.g-gantt-timeaxis__marker {
   position: absolute;
   top: 0;
   left: 0;
@@ -98,14 +98,14 @@
   position: relative;
 }
 
-.g-grid-container {
+.g-gantt-grid {
   position: absolute;
   top: 0;
   bottom: 0;
   overflow: hidden;
 }
 
-.g-grid-line {
+.g-gantt-grid__line {
   height: 100%;
   border: 1px solid transparent;
   border-left: 1px solid #eaeaea;
@@ -113,11 +113,11 @@
   display: inline-block;
 }
 
-.g-grid-line-last {
+.g-gantt-grid-line-last {
   border-right: 1px solid #eaeaea;
 }
 
-.g-grid-line-highlighted {
+.g-gantt-line-highlighted {
   background: #dcefff;
 }
 
@@ -129,7 +129,7 @@
   position: relative;
 }
 
-.g-gantt-row > .g-gantt-row-label {
+.g-gantt-row__label {
   display: flex;
   align-items: center;
   background: #e8e8e8;
@@ -143,15 +143,15 @@
   box-sizing: border-box;
   border-top: 1px solid #eaeaea;
   border-bottom: 1px solid #eaeaea;
+
+  & > * {
+    overflow: hidden;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+  }
 }
 
-.g-gantt-row > .g-gantt-row-label > * {
-  overflow: hidden;
-  white-space: nowrap;
-  text-overflow: ellipsis;
-}
-
-.g-gantt-row > .g-gantt-row-bars-container {
+.g-gantt-row__bars-container {
   position: relative;
   border-top: 1px solid #eaeaea;
   border-bottom: 1px solid #eaeaea;
@@ -178,24 +178,32 @@
   cursor: unset;
 }
 
-.g-gantt-bar-label {
+.g-gantt-bar__label {
   width: 100%;
   height: 100%;
   box-sizing: border-box;
-  padding: 0 14px 0 14px; /* 14px is the width of the handle */
+  padding: 0 4px 0 4px;
   display: flex;
   justify-content: center;
   align-items: center;
+
+  img {
+    pointer-events: none;
+  }
+
+  & > * {
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
 }
 
-.g-gantt-bar-label > * {
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
+.g-gantt-bar-resizable .g-gantt-bar__label {
+  padding: 0 14px 0 14px; /* 14px is the width of the handle */
 }
 
-.g-gantt-bar > .g-gantt-bar-handle-left,
-.g-gantt-bar > .g-gantt-bar-handle-right {
+.g-gantt-bar__handle-left,
+.g-gantt-bar__handle-right {
   position: absolute;
   width: 10px;
   height: 100%;
@@ -204,21 +212,17 @@
   border-radius: 40px;
 }
 
-.g-gantt-bar-handle-left {
+.g-gantt-bar__handle-left {
   left: 0;
   cursor: w-resize;
 }
 
-.g-gantt-bar-handle-right {
+.g-gantt-bar__handle-right {
   right: 0;
   cursor: e-resize;
 }
 
-.g-gantt-bar-label img {
-  pointer-events: none;
-}
-
-.g-gantt-tooltip {
+.g-gantt-bar__tooltip {
   position: absolute;
   background: black;
   color: white;
@@ -229,27 +233,27 @@
   transition: opacity 0.2s;
   display: flex;
   align-items: center;
-}
 
-.g-gantt-tooltip:before {
-  content: '';
-  position: absolute;
-  top: 0;
-  left: 10%;
-  width: 0;
-  height: 0;
-  border: 10px solid transparent;
-  border-bottom-color: black;
-  border-top: 0;
-  margin-left: -5px;
-  margin-top: -5px;
-}
+  &:before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 10%;
+    width: 0;
+    height: 0;
+    border: 10px solid transparent;
+    border-bottom-color: black;
+    border-top: 0;
+    margin-left: -5px;
+    margin-top: -5px;
+  }
 
-.g-gantt-tooltip > .color-indicator {
-  width: 8px;
-  height: 8px;
-  border-radius: 100%;
-  margin-right: 4px;
+  & > .color-indicator {
+    width: 8px;
+    height: 8px;
+    border-radius: 100%;
+    margin-right: 4px;
+  }
 }
 
 .fade-enter-active {