Move utility functions to separate script file. Begin redesign of clusterizer.

This commit is contained in:
Sj-Si 2024-04-05 08:40:49 -04:00
parent 9c77d3fbe7
commit 4e31bca922
6 changed files with 796 additions and 257 deletions

View file

@ -29,60 +29,6 @@ class InvalidCompressedJsonDataError extends Error {
}
}
const getComputedPropertyDims = (elem, prop) => {
/** Returns the top/left/bottom/right float dimensions of an element for the specified property. */
const style = window.getComputedStyle(elem, null);
return {
top: parseFloat(style.getPropertyValue(`${prop}-top`)),
left: parseFloat(style.getPropertyValue(`${prop}-left`)),
bottom: parseFloat(style.getPropertyValue(`${prop}-bottom`)),
right: parseFloat(style.getPropertyValue(`${prop}-right`)),
};
};
const getComputedMarginDims = elem => {
/** Returns the width/height of the computed margin of an element. */
const dims = getComputedPropertyDims(elem, "margin");
return {
width: dims.left + dims.right,
height: dims.top + dims.bottom,
};
};
const getComputedPaddingDims = elem => {
/** Returns the width/height of the computed padding of an element. */
const dims = getComputedPropertyDims(elem, "padding");
return {
width: dims.left + dims.right,
height: dims.top + dims.bottom,
};
};
const getComputedBorderDims = elem => {
/** Returns the width/height of the computed border of an element. */
// computed border will always start with the pixel width so thankfully
// the parseFloat() conversion will just give us the width and ignore the rest.
// Otherwise we'd have to use border-<pos>-width instead.
const dims = getComputedPropertyDims(elem, "border");
return {
width: dims.left + dims.right,
height: dims.top + dims.bottom,
};
};
const getComputedDims = elem => {
/** Returns the full width and height of an element including its margin, padding, and border. */
const width = elem.scrollWidth;
const height = elem.scrollHeight;
const margin = getComputedMarginDims(elem);
const padding = getComputedPaddingDims(elem);
const border = getComputedBorderDims(elem);
return {
width: width + margin.width + padding.width + border.width,
height: height + margin.height + padding.height + border.height,
};
};
async function decompress(base64string) {
/** Decompresses a base64 encoded ZLIB compressed string. */
try {
@ -101,26 +47,6 @@ async function decompress(base64string) {
}
}
const htmlStringToElement = function(str) {
/** Converts an HTML string into an Element type. */
let parser = new DOMParser();
let tmp = parser.parseFromString(str, "text/html");
return tmp.body.firstElementChild;
};
const calcColsPerRow = function(parent, child) {
/** Calculates the number of columns of children that can fit in a parent's visible width. */
const parent_inner_width = parent.offsetWidth - getComputedPaddingDims(parent).width;
return parseInt(parent_inner_width / getComputedDims(child).width);
};
const calcRowsPerCol = function(parent, child) {
/** Calculates the number of rows of children that can fit in a parent's visible height. */
const parent_inner_height = parent.offsetHeight - getComputedPaddingDims(parent).height;
return parseInt(parent_inner_height / getComputedDims(child).height);
};
class ExtraNetworksClusterize {
/** Base class for a clusterize list. Cannot be used directly. */
constructor(