56 lines
2.5 KiB
JavaScript
56 lines
2.5 KiB
JavaScript
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// wow i love being fake programmer
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// source: https://jams.hackclub.com/batch/webOS/part-3
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function dragElement(element) {
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// Step 2: Set up variables to keep track of the element's position.
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var initialX = 0;
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var initialY = 0;
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var currentX = 0;
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var currentY = 0;
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// Step 3: Check if there is a special header element associated with the draggable element.
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if (document.getElementById("title-bar")) {
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// Step 4: If present, assign the `dragMouseDown` function to the header's `onmousedown` event.
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// This allows you to drag the window around by its header.
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document.getElementById("title-bar").onmousedown = startDragging;
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} else {
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// Step 5: If not present, assign the function directly to the draggable element's `onmousedown` event.
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// This allows you to drag the window by holding down anywhere on the window.
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element.onmousedown = startDragging;
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}
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// Step 6: Define the `startDragging` function to capture the initial mouse position and set up event listeners.
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function startDragging(e) {
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e = e || window.event;
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e.preventDefault();
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// Step 7: Get the mouse cursor position at startup.
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initialX = e.clientX;
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initialY = e.clientY;
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// Step 8: Set up event listeners for mouse movement (`elementDrag`) and mouse button release (`closeDragElement`).
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document.onmouseup = stopDragging;
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document.onmousemove = dragElement;
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}
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// Step 9: Define the `elementDrag` function to calculate the new position of the element based on mouse movement.
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function dragElement(e) {
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e = e || window.event;
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e.preventDefault();
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// Step 10: Calculate the new cursor position.
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currentX = initialX - e.clientX;
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currentY = initialY - e.clientY;
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initialX = e.clientX;
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initialY = e.clientY;
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// Step 11: Update the element's new position by modifying its `top` and `left` CSS properties.
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console.log(element.offsetTop);
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console.log(currentX);
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element.style.top = (element.offsetTop - currentY) + "px";
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element.style.left = (element.offsetLeft - currentX) + "px";
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}
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// Step 12: Define the `stopDragging` function to stop tracking mouse movement by removing the event listeners.
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function stopDragging() {
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document.onmouseup = null;
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document.onmousemove = null;
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console.log(element.offsetTop - currentY);
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console.log(element.offsetLeft - currentX);
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}
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}
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