my-kicad-user-folder/3rdparty/plugins/org_openscopeproject_InteractiveHtmlBom/web/table-util.js
2025-03-21 13:28:36 +08:00

372 lines
12 KiB
JavaScript

/*
* Table reordering via Drag'n'Drop
* Inspired by: https://htmldom.dev/drag-and-drop-table-column
*/
function setBomHandlers() {
const bom = document.getElementById('bomtable');
let dragName;
let placeHolderElements;
let draggingElement;
let forcePopulation;
let xOffset;
let yOffset;
let wasDragged;
const mouseUpHandler = function(e) {
// Delete dragging element
draggingElement.remove();
// Make BOM selectable again
bom.style.removeProperty("userSelect");
// Remove listeners
document.removeEventListener('mousemove', mouseMoveHandler);
document.removeEventListener('mouseup', mouseUpHandler);
if (wasDragged) {
// Redraw whole BOM
populateBomTable();
}
}
const mouseMoveHandler = function(e) {
// Notice the dragging
wasDragged = true;
// Make the dragged element visible
draggingElement.style.removeProperty("display");
// Set elements position to mouse position
draggingElement.style.left = `${e.screenX - xOffset}px`;
draggingElement.style.top = `${e.screenY - yOffset}px`;
// Forced redrawing of BOM table
if (forcePopulation) {
forcePopulation = false;
// Copy array
phe = Array.from(placeHolderElements);
// populate BOM table again
populateBomHeader(dragName, phe);
populateBomBody(dragName, phe);
}
// Set up array of hidden columns
var hiddenColumns = Array.from(settings.hiddenColumns);
// In the ungrouped mode, quantity don't exist
if (settings.bommode === "ungrouped")
hiddenColumns.push("Quantity");
// If no checkbox fields can be found, we consider them hidden
if (settings.checkboxes.length == 0)
hiddenColumns.push("checkboxes");
// Get table headers and group them into checkboxes, extrafields and normal headers
const bh = document.getElementById("bomhead");
headers = Array.from(bh.querySelectorAll("th"))
headers.shift() // numCol is not part of the columnOrder
headerGroups = []
lastCompoundClass = null;
for (i = 0; i < settings.columnOrder.length; i++) {
cElem = settings.columnOrder[i];
if (hiddenColumns.includes(cElem)) {
// Hidden columns appear as a dummy element
headerGroups.push([]);
continue;
}
elem = headers.filter(e => getColumnOrderName(e) === cElem)[0];
if (elem.classList.contains("bom-checkbox")) {
if (lastCompoundClass === "bom-checkbox") {
cbGroup = headerGroups.pop();
cbGroup.push(elem);
headerGroups.push(cbGroup);
} else {
lastCompoundClass = "bom-checkbox";
headerGroups.push([elem])
}
} else {
headerGroups.push([elem])
}
}
// Copy settings.columnOrder
var columns = Array.from(settings.columnOrder)
// Set up array with indices of hidden columns
var hiddenIndices = hiddenColumns.map(e => settings.columnOrder.indexOf(e));
var dragIndex = columns.indexOf(dragName);
var swapIndex = dragIndex;
var swapDone = false;
// Check if the current dragged element is swapable with the left or right element
if (dragIndex > 0) {
// Get left headers boundingbox
swapIndex = dragIndex - 1;
while (hiddenIndices.includes(swapIndex) && swapIndex > 0)
swapIndex--;
if (!hiddenIndices.includes(swapIndex)) {
box = getBoundingClientRectFromMultiple(headerGroups[swapIndex]);
if (e.clientX < box.left + window.scrollX + (box.width / 2)) {
swapElement = columns[dragIndex];
columns.splice(dragIndex, 1);
columns.splice(swapIndex, 0, swapElement);
forcePopulation = true;
swapDone = true;
}
}
}
if ((!swapDone) && dragIndex < headerGroups.length - 1) {
// Get right headers boundingbox
swapIndex = dragIndex + 1;
while (hiddenIndices.includes(swapIndex))
swapIndex++;
if (swapIndex < headerGroups.length) {
box = getBoundingClientRectFromMultiple(headerGroups[swapIndex]);
if (e.clientX > box.left + window.scrollX + (box.width / 2)) {
swapElement = columns[dragIndex];
columns.splice(dragIndex, 1);
columns.splice(swapIndex, 0, swapElement);
forcePopulation = true;
swapDone = true;
}
}
}
// Write back change to storage
if (swapDone) {
settings.columnOrder = columns
writeStorage("columnOrder", JSON.stringify(columns));
}
}
const mouseDownHandler = function(e) {
var target = e.target;
if (target.tagName.toLowerCase() != "td")
target = target.parentElement;
// Used to check if a dragging has ever happened
wasDragged = false;
// Create new element which will be displayed as the dragged column
draggingElement = document.createElement("div")
draggingElement.classList.add("dragging");
draggingElement.style.display = "none";
draggingElement.style.position = "absolute";
draggingElement.style.overflow = "hidden";
// Get bomhead and bombody elements
const bh = document.getElementById("bomhead");
const bb = document.getElementById("bombody");
// Get all compound headers for the current column
var compoundHeaders;
if (target.classList.contains("bom-checkbox")) {
compoundHeaders = Array.from(bh.querySelectorAll("th.bom-checkbox"));
} else {
compoundHeaders = [target];
}
// Create new table which will display the column
var newTable = document.createElement("table");
newTable.classList.add("bom");
newTable.style.background = "white";
draggingElement.append(newTable);
// Create new header element
var newHeader = document.createElement("thead");
newTable.append(newHeader);
// Set up array for storing all placeholder elements
placeHolderElements = [];
// Add all compound headers to the new thead element and placeholders
compoundHeaders.forEach(function(h) {
clone = cloneElementWithDimensions(h);
newHeader.append(clone);
placeHolderElements.push(clone);
});
// Create new body element
var newBody = document.createElement("tbody");
newTable.append(newBody);
// Get indices for compound headers
var idxs = compoundHeaders.map(e => getBomTableHeaderIndex(e));
// For each row in the BOM body...
var rows = bb.querySelectorAll("tr");
rows.forEach(function(row) {
// ..get the cells for the compound column
const tds = row.querySelectorAll("td");
var copytds = idxs.map(i => tds[i]);
// Add them to the new element and the placeholders
var newRow = document.createElement("tr");
copytds.forEach(function(td) {
clone = cloneElementWithDimensions(td);
newRow.append(clone);
placeHolderElements.push(clone);
});
newBody.append(newRow);
});
// Compute width for compound header
var width = compoundHeaders.reduce((acc, x) => acc + x.clientWidth, 0);
draggingElement.style.width = `${width}px`;
// Insert the new dragging element and disable selection on BOM
bom.insertBefore(draggingElement, null);
bom.style.userSelect = "none";
// Determine the mouse position offset
xOffset = e.screenX - compoundHeaders.reduce((acc, x) => Math.min(acc, x.offsetLeft), compoundHeaders[0].offsetLeft);
yOffset = e.screenY - compoundHeaders[0].offsetTop;
// Get name for the column in settings.columnOrder
dragName = getColumnOrderName(target);
// Change text and class for placeholder elements
placeHolderElements = placeHolderElements.map(function(e) {
newElem = cloneElementWithDimensions(e);
newElem.textContent = "";
newElem.classList.add("placeholder");
return newElem;
});
// On next mouse move, the whole BOM needs to be redrawn to show the placeholders
forcePopulation = true;
// Add listeners for move and up on mouse
document.addEventListener('mousemove', mouseMoveHandler);
document.addEventListener('mouseup', mouseUpHandler);
}
// In netlist mode, there is nothing to reorder
if (settings.bommode === "netlist")
return;
// Add mouseDownHandler to every column except the numCol
bom.querySelectorAll("th")
.forEach(function(head) {
if (!head.classList.contains("numCol")) {
head.onmousedown = mouseDownHandler;
}
});
}
function getBoundingClientRectFromMultiple(elements) {
var elems = Array.from(elements);
if (elems.length == 0)
return null;
var box = elems.shift()
.getBoundingClientRect();
elems.forEach(function(elem) {
var elembox = elem.getBoundingClientRect();
box.left = Math.min(elembox.left, box.left);
box.top = Math.min(elembox.top, box.top);
box.width += elembox.width;
box.height = Math.max(elembox.height, box.height);
});
return box;
}
function cloneElementWithDimensions(elem) {
var newElem = elem.cloneNode(true);
newElem.style.height = window.getComputedStyle(elem).height;
newElem.style.width = window.getComputedStyle(elem).width;
return newElem;
}
function getBomTableHeaderIndex(elem) {
const bh = document.getElementById('bomhead');
const ths = Array.from(bh.querySelectorAll("th"));
return ths.indexOf(elem);
}
function getColumnOrderName(elem) {
var cname = elem.getAttribute("col_name");
if (cname === "bom-checkbox")
return "checkboxes";
else
return cname;
}
function resizableGrid(tablehead) {
var cols = tablehead.firstElementChild.children;
var rowWidth = tablehead.offsetWidth;
for (var i = 1; i < cols.length; i++) {
if (cols[i].classList.contains("bom-checkbox"))
continue;
cols[i].style.width = ((cols[i].clientWidth - paddingDiff(cols[i])) * 100 / rowWidth) + '%';
}
for (var i = 1; i < cols.length - 1; i++) {
var div = document.createElement('div');
div.className = "column-width-handle";
cols[i].appendChild(div);
setListeners(div);
}
function setListeners(div) {
var startX, curCol, nxtCol, curColWidth, nxtColWidth, rowWidth;
div.addEventListener('mousedown', function(e) {
e.preventDefault();
e.stopPropagation();
curCol = e.target.parentElement;
nxtCol = curCol.nextElementSibling;
startX = e.pageX;
var padding = paddingDiff(curCol);
rowWidth = curCol.parentElement.offsetWidth;
curColWidth = curCol.clientWidth - padding;
nxtColWidth = nxtCol.clientWidth - padding;
});
document.addEventListener('mousemove', function(e) {
if (startX) {
var diffX = e.pageX - startX;
diffX = -Math.min(-diffX, curColWidth - 20);
diffX = Math.min(diffX, nxtColWidth - 20);
curCol.style.width = ((curColWidth + diffX) * 100 / rowWidth) + '%';
nxtCol.style.width = ((nxtColWidth - diffX) * 100 / rowWidth) + '%';
console.log(`${curColWidth + nxtColWidth} ${(curColWidth + diffX) * 100 / rowWidth + (nxtColWidth - diffX) * 100 / rowWidth}`);
}
});
document.addEventListener('mouseup', function(e) {
curCol = undefined;
nxtCol = undefined;
startX = undefined;
nxtColWidth = undefined;
curColWidth = undefined
});
}
function paddingDiff(col) {
if (getStyleVal(col, 'box-sizing') == 'border-box') {
return 0;
}
var padLeft = getStyleVal(col, 'padding-left');
var padRight = getStyleVal(col, 'padding-right');
return (parseInt(padLeft) + parseInt(padRight));
}
function getStyleVal(elm, css) {
return (window.getComputedStyle(elm, null).getPropertyValue(css))
}
}