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Limited the vc item resizement to its container

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This commit is contained in:
Alejandro Gallardo Escobar 2019-06-18 18:08:52 +02:00
parent a75acb75fc
commit 50b05728b7
1 changed files with 42 additions and 5 deletions
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47
visual_console_client/src/lib/index.ts
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@ -571,10 +571,15 @@ export function addResizementListener(
element: HTMLElement, element: HTMLElement,
onResized: (x: Position["x"], y: Position["y"]) => void onResized: (x: Position["x"], y: Position["y"]) => void
): Function { ): Function {
const minWidth = 15;
const minHeight = 15;
const resizeDraggable = document.createElement("div"); const resizeDraggable = document.createElement("div");
resizeDraggable.className = "resize-draggable"; resizeDraggable.className = "resize-draggable";
element.appendChild(resizeDraggable); element.appendChild(resizeDraggable);
// Container of the resizable element.
const container = element.parentElement as HTMLElement;
// Store the initial draggable state. // Store the initial draggable state.
const isDraggable = element.draggable; const isDraggable = element.draggable;
// Init the coordinates. // Init the coordinates.
@ -584,6 +589,18 @@ export function addResizementListener(
let lastMouseY: Position["y"] = 0; let lastMouseY: Position["y"] = 0;
let mouseElementOffsetX: Position["x"] = 0; let mouseElementOffsetX: Position["x"] = 0;
let mouseElementOffsetY: Position["y"] = 0; let mouseElementOffsetY: Position["y"] = 0;
// Init the bounds.
let containerBounds = container.getBoundingClientRect();
let containerOffset = getOffset(container);
let containerTop = containerOffset.top;
let containerBottom = containerTop + containerBounds.height;
let containerLeft = containerOffset.left;
let containerRight = containerLeft + containerBounds.width;
let elementOffset = getOffset(element);
let elementTop = elementOffset.top;
let elementLeft = elementOffset.left;
let borderWidth = window.getComputedStyle(element).borderWidth || "0";
let borderFix = Number.parseInt(borderWidth);
// Will run onResized 32ms after its last execution. // Will run onResized 32ms after its last execution.
const debouncedResizement = debounce( const debouncedResizement = debounce(
@ -601,11 +618,20 @@ export function addResizementListener(
let width = lastWidth + (e.pageX - lastMouseX); let width = lastWidth + (e.pageX - lastMouseX);
let height = lastHeight + (e.pageY - lastMouseY); let height = lastHeight + (e.pageY - lastMouseY);
// TODO: Document. if (width < minWidth) {
// Minimum value.
// Minimum value. width = minWidth;
if (width <= 0) width = 10; } else if (width + elementLeft - borderFix / 2 >= containerRight) {
if (height <= 0) height = 10; // Limit the size to the container.
width = containerRight - elementLeft;
}
if (height < minHeight) {
// Minimum value.
height = minHeight;
} else if (height + elementTop - borderFix / 2 >= containerBottom) {
// Limit the size to the container.
height = containerBottom - elementTop;
}
// Run the movement events. // Run the movement events.
throttledResizement(width, height); throttledResizement(width, height);
@ -653,6 +679,17 @@ export function addResizementListener(
mouseElementOffsetX = e.offsetX; mouseElementOffsetX = e.offsetX;
mouseElementOffsetY = e.offsetY; mouseElementOffsetY = e.offsetY;
// Initialize the bounds.
containerBounds = container.getBoundingClientRect();
containerOffset = getOffset(container);
containerTop = containerOffset.top;
containerBottom = containerTop + containerBounds.height;
containerLeft = containerOffset.left;
containerRight = containerLeft + containerBounds.width;
elementOffset = getOffset(element);
elementTop = elementOffset.top;
elementLeft = elementOffset.left;
// Listen to the mouse movement. // Listen to the mouse movement.
document.addEventListener("mousemove", handleResize); document.addEventListener("mousemove", handleResize);
// Listen to the moment when the mouse click is not pressed anymore. // Listen to the moment when the mouse click is not pressed anymore.