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Merge pull request #2282 from laws-africa/panes
Panes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,3 @@ | ||
| { | ||
| "esversion": 6 | ||
| "esversion": 8 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| export class VSplitter { | ||
| constructor (splitter) { | ||
| this.cursor = 'col-resize'; | ||
| this.splitter = splitter; | ||
| this.container = splitter.parentElement; | ||
| this.firstPane = splitter.previousElementSibling; | ||
| this.secondPane = splitter.nextElementSibling; | ||
| this.isDragging = false; | ||
|
|
||
| this.splitter.addEventListener('mousedown', (e) => this.onMouseDown(e)); | ||
| this.mouseUp = this.onMouseUp.bind(this); | ||
| this.mouseMove = this.onMouseMove.bind(this); | ||
|
|
||
| if (this.splitter.id) { | ||
| this.storageKey = `splitter:${this.splitter.id}`; | ||
| this.loadState(); | ||
| } else { | ||
| this.storageKey = null; | ||
| } | ||
| } | ||
|
|
||
| loadState () { | ||
| let percentage = window.localStorage.getItem(this.storageKey); | ||
| if (percentage) { | ||
| try { | ||
| percentage = Math.max(10, Math.min(90, parseFloat(percentage))); | ||
| this.setFirstPanePercentage(percentage); | ||
| } catch { | ||
| window.localStorage.removeItem(this.storageKey); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| saveState (width) { | ||
| if (this.storageKey) { | ||
| window.localStorage.setItem(this.storageKey, width.toString()); | ||
| } | ||
| } | ||
|
|
||
| onMouseDown (e) { | ||
| this.isDragging = true; | ||
| document.body.classList.add('splitter-dragging'); | ||
| document.body.style.cursor = this.cursor; | ||
| document.body.style.userSelect = 'none'; | ||
| document.addEventListener('mouseup', this.mouseUp); | ||
| document.addEventListener('mousemove', this.mouseMove); | ||
| } | ||
|
|
||
| onMouseUp (e) { | ||
| if (this.isDragging) { | ||
| this.isDragging = false; | ||
| document.body.classList.remove('splitter-dragging'); | ||
| document.body.style.cursor = 'default'; | ||
| document.body.style.userSelect = null; | ||
| document.removeEventListener('mouseup', this.mouseUp); | ||
| document.removeEventListener('mousemove', this.mouseMove); | ||
| } | ||
| } | ||
|
|
||
| onMouseMove (e) { | ||
| if (!this.isDragging) return; | ||
|
|
||
| // Calculate new widths | ||
| const containerOffsetLeft = this.container.getBoundingClientRect().left; | ||
| const pointerRelativeXpos = e.clientX - containerOffsetLeft; | ||
| const containerWidth = this.container.clientWidth; | ||
|
|
||
| this.setFirstPanePercentage((pointerRelativeXpos / containerWidth) * 100); | ||
| } | ||
|
|
||
| setFirstPanePercentage (leftPanePercentage) { | ||
| const containerWidth = this.container.clientWidth; | ||
| const splitterWidth = this.splitter.offsetWidth; | ||
|
|
||
| let rightPanePercentage = 100 - leftPanePercentage - (splitterWidth / containerWidth) * 100; | ||
|
|
||
| // Set minimum widths to prevent collapse | ||
| const minPercentage = (50 / containerWidth) * 100; // Convert 50px to percentage | ||
|
|
||
| if (leftPanePercentage < minPercentage) { | ||
| leftPanePercentage = minPercentage; | ||
| rightPanePercentage = 100 - minPercentage - (splitterWidth / containerWidth) * 100; | ||
| } else if (rightPanePercentage < minPercentage) { | ||
| rightPanePercentage = minPercentage; | ||
| leftPanePercentage = 100 - minPercentage - (splitterWidth / containerWidth) * 100; | ||
| } | ||
|
|
||
| // Apply new widths | ||
| this.firstPane.style.flexBasis = `${leftPanePercentage}%`; | ||
| this.secondPane.style.flexBasis = `${rightPanePercentage}%`; | ||
|
|
||
| this.saveState(leftPanePercentage); | ||
| } | ||
| } | ||
|
|
||
| export class HSplitter extends VSplitter { | ||
| constructor (splitter) { | ||
| super(splitter); | ||
| this.cursor = 'row-resize'; | ||
| } | ||
|
|
||
| onMouseMove (e) { | ||
| if (!this.isDragging) return; | ||
|
|
||
| // Calculate new heights | ||
| const containerOffsetTop = this.container.getBoundingClientRect().top; | ||
| const pointerRelativeYpos = e.clientY - containerOffsetTop; | ||
| const containerHeight = this.container.clientHeight; | ||
|
|
||
| // Calculate percentage heights | ||
| this.setFirstPanePercentage((pointerRelativeYpos / containerHeight) * 100); | ||
| } | ||
|
|
||
| setFirstPanePercentage (firstPanePercentage) { | ||
| const containerHeight = this.container.clientHeight; | ||
| const splitterHeight = this.splitter.offsetHeight; | ||
|
|
||
| let bottomPanePercentage = 100 - firstPanePercentage - (splitterHeight / containerHeight) * 100; | ||
|
|
||
| // Set minimum widths to prevent collapse | ||
| const minPercentage = (50 / containerHeight) * 100; // Convert 50px to percentage | ||
|
|
||
| if (firstPanePercentage < minPercentage) { | ||
| firstPanePercentage = minPercentage; | ||
| bottomPanePercentage = 100 - minPercentage - (splitterHeight / containerHeight) * 100; | ||
| } else if (bottomPanePercentage < minPercentage) { | ||
| bottomPanePercentage = minPercentage; | ||
| firstPanePercentage = 100 - minPercentage - (splitterHeight / containerHeight) * 100; | ||
| } | ||
|
|
||
| // Apply new widths | ||
| this.firstPane.style.flexBasis = `${firstPanePercentage}%`; | ||
| this.secondPane.style.flexBasis = `${bottomPanePercentage}%`; | ||
|
|
||
| this.saveState(firstPanePercentage); | ||
| } | ||
| } |
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