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Refactor ZenThemePicker class to initialize context menu

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mr. M 2024-10-24 21:46:07 +02:00
parent dc1400f4db
commit a67faa2ea4
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1 changed files with 9 additions and 121 deletions
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130
src/ZenGradientGenerator.mjs
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@ -1,131 +1,19 @@
{
class ZenThemePicker {
#containerNode;
#color1;
#color2;
#color3;
#color4;
constructor(containerNode) {
return;
this.#containerNode = containerNode;
this.init();
}
// Getters
get zenColors() {
return [
'#aac7ff',
'#74d7cb',
'#a0d490',
'#dec663',
'#ffb787',
]
}
// Methods
class ZenThemePicker extends ZenDOMOperatedFeature {
init() {
const wrapper = this.generateWrapper();
this.generateGradientPicker(wrapper);
this.injectWrapper(wrapper);
this.initContextMenu();
}
injectWrapper(wrapper) {
this.#containerNode.replaceChildren(wrapper);
}
generateWrapper() {
const wrapper = document.createXULElement('hbox');
wrapper.classList.add('zen-theme-picker');
return wrapper;
}
generateGradientPicker(wrapper) {
const gradientPicker = window.MozXULElement.parseXULToFragment(`
<hbox class="zen-theme-picker-gradient">
<hbox class="zen-theme-picker-gradient-container">
<hbox style="top: 50%; left: 50%;" primary="true" class="zen-theme-picker-gradient-color zen-theme-picker-gradient-color-1"></hbox>
<hbox style="top: 50%; left: 50%;" class="zen-theme-picker-gradient-color zen-theme-picker-gradient-color-2"></hbox>
<hbox style="top: 50%; left: 50%;" class="zen-theme-picker-gradient-color zen-theme-picker-gradient-color-3"></hbox>
<hbox style="top: 50%; left: 50%;" class="zen-theme-picker-gradient-color zen-theme-picker-gradient-color-4"></hbox>
</hbox>
<html:canvas class="zen-theme-picker-gradient-canvas" width="180" height="180"></html:canvas>
</hbox>
initContextMenu() {
const menu = window.MozXULElement.parseXULToFragment(`
<menuitem id="zenToolbarThemePicker"
data-lazy-l10n-id="zen-workspaces-change-gradient"
oncommand="gZenThemePicker.openThemePicker(event);"/>
`);
const canvas = gradientPicker.querySelector('.zen-theme-picker-gradient-canvas');
const ctx = canvas.getContext('2d');
// Canvas dimensions
const width = canvas.width;
const height = canvas.height;
ctx.globalCompositeOperation = 'lighter';
const gradient = ctx.createLinearGradient(0, 0, width, height);
for (let i = 0; i < this.zenColors.length; i++) {
gradient.addColorStop(i / (this.zenColors.length - 1), this.zenColors[i]);
}
ctx.fillStyle = gradient;
ctx.fillRect(0, 0, width, height);
// Event listeners, each color can be dragged
const colors = gradientPicker.querySelectorAll('.zen-theme-picker-gradient-color');
for (const color of colors) {
this.addColorDragListener(color, ctx);
}
wrapper.appendChild(gradientPicker);
}
addColorDragListener(color, ctx) {
const padding = 10;
color.addEventListener('mousedown', (event) => {
const colorIndex = Array.from(color.parentElement.children).indexOf(color);
color.setAttribute('dragging', 'true');
const onMouseMove = (event) => {
const rect = color.parentElement.getBoundingClientRect();
let x = event.clientX - rect.left;
let y = event.clientY - rect.top;
const width = rect.width;
const height = rect.height;
// If x is out of bounds, set it to the padding
if (x < padding) {
x = padding;
}
if (x > width - padding) {
x = width - padding;
}
// If y is out of bounds, set it to the padding
if (y < padding) {
y = padding;
}
if (y > height - padding) {
y = height - padding;
}
let xRatio = Math.min(1, Math.max(0, x / width));
let yRatio = Math.min(1, Math.max(0, y / height));
// Get the color from the canvas
const pixel = ctx.getImageData(x, y, 1, 1).data;
const rgb = `rgb(${pixel[0]}, ${pixel[1]}, ${pixel[2]})`;
color.style.left = `${xRatio * 100}%`;
color.style.top = `${yRatio * 100}%`;
color.style.setProperty("--zen-chosen-color", rgb);
}
const onMouseUp = (event) => {
document.removeEventListener('mousemove', onMouseMove);
document.removeEventListener('mouseup', onMouseUp);
color.removeAttribute('dragging');
}
document.addEventListener('mousemove', onMouseMove);
document.addEventListener('mouseup', onMouseUp);
});
document.getElementById('toolbar-context-customize').before(menu);
}
}
window.ZenThemePicker = ZenThemePicker;
window.ZenThemePicker = new ZenThemePicker();
}