361 lines
13 KiB
JavaScript
361 lines
13 KiB
JavaScript
/**
|
|
* @file ext-polystar.js
|
|
*
|
|
*
|
|
* @copyright 2010 CloudCanvas, Inc. All rights reserved
|
|
* @copyright 2021 Optimistik SAS, Inc. All rights reserved
|
|
* @license MIT
|
|
*
|
|
*/
|
|
|
|
const name = "polystar";
|
|
|
|
const loadExtensionTranslation = async function (svgEditor) {
|
|
let translationModule;
|
|
const lang = svgEditor.configObj.pref('lang');
|
|
try {
|
|
// eslint-disable-next-line no-unsanitized/method
|
|
translationModule = await import(`./locale/${lang}.js`);
|
|
} catch (_error) {
|
|
// eslint-disable-next-line no-console
|
|
console.warn(`Missing translation (${lang}) for ${name} - using 'en'`);
|
|
// eslint-disable-next-line no-unsanitized/method
|
|
translationModule = await import(`./locale/en.js`);
|
|
}
|
|
svgEditor.i18next.addResourceBundle(lang, name, translationModule.default);
|
|
};
|
|
|
|
export default {
|
|
name,
|
|
async init(_S) {
|
|
const svgEditor = this;
|
|
const { svgCanvas } = svgEditor;
|
|
const { $id } = svgCanvas;
|
|
let selElems;
|
|
let started;
|
|
let newFO;
|
|
await loadExtensionTranslation(svgEditor);
|
|
|
|
/**
|
|
* @param {boolean} on true=display
|
|
* @param {string} tool "star" or "polygone"
|
|
* @returns {void}
|
|
*/
|
|
const showPanel = (on, tool) => {
|
|
$id(`${tool}_panel`).style.display = on ? "block" : "none";
|
|
};
|
|
|
|
/**
|
|
*
|
|
* @param {string} attr attribute to change
|
|
* @param {string|Float} val new value
|
|
* @returns {void}
|
|
*/
|
|
const setAttr = (attr, val) => {
|
|
svgCanvas.changeSelectedAttribute(attr, val);
|
|
svgCanvas.call("changed", selElems);
|
|
};
|
|
|
|
/**
|
|
* @param {Float} n angle
|
|
* @return {Float} cotangeante
|
|
*/
|
|
const cot = (n) => 1 / Math.tan(n);
|
|
|
|
/**
|
|
* @param {Float} n angle
|
|
* @returns {Float} sec
|
|
*/
|
|
const sec = (n) => 1 / Math.cos(n);
|
|
|
|
return {
|
|
name: svgEditor.i18next.t(`${name}:name`),
|
|
// The callback should be used to load the DOM with the appropriate UI items
|
|
callback() {
|
|
// Add the button and its handler(s)
|
|
// Note: the star extension needs to be loaded before the polygon extension
|
|
const fbtitle = svgEditor.i18next.t(`${name}:title`);
|
|
const title_star = svgEditor.i18next.t(`${name}:buttons.0.title`);
|
|
const title_polygon = svgEditor.i18next.t(`${name}:buttons.1.title`);
|
|
const buttonTemplate = document.createElement("template");
|
|
// eslint-disable-next-line no-unsanitized/property
|
|
buttonTemplate.innerHTML = `
|
|
<se-flyingbutton id="tools_polygon" title="${fbtitle}">
|
|
<se-button id="tool_star" title="${title_star}" src="./images/star.svg">
|
|
</se-button>
|
|
<se-button id="tool_polygon" title="${title_polygon}" src="./images/polygon.svg">
|
|
</se-button>
|
|
</se-flyingbutton>
|
|
`;
|
|
$id("tools_left").append(buttonTemplate.content.cloneNode(true));
|
|
// handler
|
|
$id("tool_star").addEventListener("click", () => {
|
|
if (this.leftPanel.updateLeftPanel("tool_star")) {
|
|
svgCanvas.setMode("star");
|
|
showPanel(true, "star");
|
|
showPanel(false, "polygon");
|
|
}
|
|
});
|
|
$id("tool_polygon").addEventListener("click", () => {
|
|
if (this.leftPanel.updateLeftPanel("tool_polygon")) {
|
|
svgCanvas.setMode("polygon");
|
|
showPanel(true, "polygon");
|
|
showPanel(false, "star");
|
|
}
|
|
});
|
|
|
|
const label0 = svgEditor.i18next.t(`${name}:contextTools.0.label`);
|
|
const title0 = svgEditor.i18next.t(`${name}:contextTools.0.title`);
|
|
const label1 = svgEditor.i18next.t(`${name}:contextTools.1.label`);
|
|
const title1 = svgEditor.i18next.t(`${name}:contextTools.1.title`);
|
|
const label2 = svgEditor.i18next.t(`${name}:contextTools.2.label`);
|
|
const title2 = svgEditor.i18next.t(`${name}:contextTools.2.title`);
|
|
const label3 = svgEditor.i18next.t(`${name}:contextTools.3.label`);
|
|
const title3 = svgEditor.i18next.t(`${name}:contextTools.3.title`);
|
|
// Add the context panel and its handler(s)
|
|
const panelTemplate = document.createElement("template");
|
|
// eslint-disable-next-line no-unsanitized/property
|
|
panelTemplate.innerHTML = `
|
|
<div id="star_panel">
|
|
<se-spin-input id="starNumPoints" label="${label0}" min=1 step=1 value=5 title="${title0}">
|
|
</se-spin-input>
|
|
<se-spin-input id="RadiusMultiplier" label="${label1}" min=1 step=2.5 value=3 title="${title1}">
|
|
</se-spin-input>
|
|
<se-spin-input id="radialShift" min=0 step=1 value=0 label="${label2}" title="${title2}">
|
|
</se-spin-input>
|
|
</div>
|
|
<div id="polygon_panel">
|
|
<se-spin-input size="3" id="polySides" min=1 step=1 value=5 label="${label3}" title="${title3}">
|
|
</se-spin-input>
|
|
</div>
|
|
`;
|
|
//add handlers for the panel
|
|
$id("tools_top").appendChild(panelTemplate.content.cloneNode(true));
|
|
// don't display the panels on start
|
|
showPanel(false, "star");
|
|
showPanel(false, "polygon");
|
|
$id("starNumPoints").addEventListener("change", (event) => {
|
|
setAttr("point", event.target.value);
|
|
});
|
|
$id("RadiusMultiplier").addEventListener("change", (event) => {
|
|
setAttr("starRadiusMultiplier", event.target.value);
|
|
});
|
|
$id("radialShift").addEventListener("change", (event) => {
|
|
setAttr("radialshift", event.target.value);
|
|
});
|
|
$id("polySides").addEventListener("change", (event) => {
|
|
setAttr("sides", event.target.value);
|
|
});
|
|
},
|
|
mouseDown(opts) {
|
|
if (svgCanvas.getMode() === "star") {
|
|
const rgb = svgCanvas.getColor("fill");
|
|
const sRgb = svgCanvas.getColor("stroke");
|
|
const sWidth = svgCanvas.getStrokeWidth();
|
|
started = true;
|
|
newFO = svgCanvas.addSVGElementFromJson({
|
|
element: "polygon",
|
|
attr: {
|
|
cx: opts.start_x,
|
|
cy: opts.start_y,
|
|
id: svgCanvas.getNextId(),
|
|
shape: "star",
|
|
point: document.getElementById("starNumPoints").value,
|
|
r: 0,
|
|
radialshift: document.getElementById("radialShift").value,
|
|
r2: 0,
|
|
orient: "point",
|
|
fill: rgb,
|
|
strokecolor: sRgb,
|
|
strokeWidth: sWidth
|
|
}
|
|
});
|
|
return {
|
|
started: true
|
|
};
|
|
}
|
|
if (svgCanvas.getMode() === "polygon") {
|
|
// const e = opts.event;
|
|
const rgb = svgCanvas.getColor("fill");
|
|
// const ccRgbEl = rgb.substring(1, rgb.length);
|
|
const sRgb = svgCanvas.getColor("stroke");
|
|
// ccSRgbEl = sRgb.substring(1, rgb.length);
|
|
const sWidth = svgCanvas.getStrokeWidth();
|
|
started = true;
|
|
newFO = svgCanvas.addSVGElementFromJson({
|
|
element: "polygon",
|
|
attr: {
|
|
cx: opts.start_x,
|
|
cy: opts.start_y,
|
|
id: svgCanvas.getNextId(),
|
|
shape: "regularPoly",
|
|
sides: document.getElementById("polySides").value,
|
|
orient: "x",
|
|
edge: 0,
|
|
fill: rgb,
|
|
strokecolor: sRgb,
|
|
strokeWidth: sWidth
|
|
}
|
|
});
|
|
|
|
return {
|
|
started: true
|
|
};
|
|
}
|
|
return undefined;
|
|
},
|
|
mouseMove(opts) {
|
|
if (!started) {
|
|
return undefined;
|
|
}
|
|
if (svgCanvas.getMode() === "star") {
|
|
const cx = Number(newFO.getAttribute("cx"));
|
|
const cy = Number(newFO.getAttribute("cy"));
|
|
const point = Number(newFO.getAttribute("point"));
|
|
const orient = newFO.getAttribute("orient");
|
|
const fill = newFO.getAttribute("fill");
|
|
const strokecolor = newFO.getAttribute("strokecolor");
|
|
const strokeWidth = Number(newFO.getAttribute("strokeWidth"));
|
|
const radialshift = Number(newFO.getAttribute("radialshift"));
|
|
|
|
let x = opts.mouse_x;
|
|
let y = opts.mouse_y;
|
|
|
|
const circumradius =
|
|
Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy)) / 1.5;
|
|
const inradius =
|
|
circumradius / document.getElementById("RadiusMultiplier").value;
|
|
newFO.setAttribute("r", circumradius);
|
|
newFO.setAttribute("r2", inradius);
|
|
|
|
let polyPoints = "";
|
|
for (let s = 0; point >= s; s++) {
|
|
let angle = 2.0 * Math.PI * (s / point);
|
|
if (orient === "point") {
|
|
angle -= Math.PI / 2;
|
|
} else if (orient === "edge") {
|
|
angle = angle + Math.PI / point - Math.PI / 2;
|
|
}
|
|
|
|
x = circumradius * Math.cos(angle) + cx;
|
|
y = circumradius * Math.sin(angle) + cy;
|
|
|
|
polyPoints += x + "," + y + " ";
|
|
|
|
if (!isNaN(inradius)) {
|
|
angle = 2.0 * Math.PI * (s / point) + Math.PI / point;
|
|
if (orient === "point") {
|
|
angle -= Math.PI / 2;
|
|
} else if (orient === "edge") {
|
|
angle = angle + Math.PI / point - Math.PI / 2;
|
|
}
|
|
angle += radialshift;
|
|
|
|
x = inradius * Math.cos(angle) + cx;
|
|
y = inradius * Math.sin(angle) + cy;
|
|
|
|
polyPoints += x + "," + y + " ";
|
|
}
|
|
}
|
|
newFO.setAttribute("points", polyPoints);
|
|
newFO.setAttribute("fill", fill);
|
|
newFO.setAttribute("stroke", strokecolor);
|
|
newFO.setAttribute("stroke-width", strokeWidth);
|
|
/* const shape = */ newFO.getAttribute("shape");
|
|
|
|
return {
|
|
started: true
|
|
};
|
|
}
|
|
if (svgCanvas.getMode() === "polygon") {
|
|
const cx = Number(newFO.getAttribute("cx"));
|
|
const cy = Number(newFO.getAttribute("cy"));
|
|
const sides = Number(newFO.getAttribute("sides"));
|
|
// const orient = newFO.getAttribute('orient');
|
|
const fill = newFO.getAttribute("fill");
|
|
const strokecolor = newFO.getAttribute("strokecolor");
|
|
const strokeWidth = Number(newFO.getAttribute("strokeWidth"));
|
|
|
|
let x = opts.mouse_x;
|
|
let y = opts.mouse_y;
|
|
|
|
const edg =
|
|
Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy)) / 1.5;
|
|
newFO.setAttribute("edge", edg);
|
|
|
|
const inradius = (edg / 2) * cot(Math.PI / sides);
|
|
const circumradius = inradius * sec(Math.PI / sides);
|
|
let points = "";
|
|
for (let s = 0; sides >= s; s++) {
|
|
const angle = (2.0 * Math.PI * s) / sides;
|
|
x = circumradius * Math.cos(angle) + cx;
|
|
y = circumradius * Math.sin(angle) + cy;
|
|
|
|
points += x + "," + y + " ";
|
|
}
|
|
|
|
// const poly = newFO.createElementNS(NS.SVG, 'polygon');
|
|
newFO.setAttribute("points", points);
|
|
newFO.setAttribute("fill", fill);
|
|
newFO.setAttribute("stroke", strokecolor);
|
|
newFO.setAttribute("stroke-width", strokeWidth);
|
|
return {
|
|
started: true
|
|
};
|
|
}
|
|
return undefined;
|
|
},
|
|
mouseUp() {
|
|
if (svgCanvas.getMode() === "star") {
|
|
const r = newFO.getAttribute("r");
|
|
return {
|
|
keep: r !== "0",
|
|
element: newFO
|
|
};
|
|
}
|
|
if (svgCanvas.getMode() === "polygon") {
|
|
const edge = newFO.getAttribute("edge");
|
|
const keep = edge !== "0";
|
|
// svgCanvas.addToSelection([newFO], true);
|
|
return {
|
|
keep,
|
|
element: newFO
|
|
};
|
|
}
|
|
return undefined;
|
|
},
|
|
selectedChanged(opts) {
|
|
// Use this to update the current selected elements
|
|
selElems = opts.elems;
|
|
|
|
let i = selElems.length;
|
|
while (i--) {
|
|
const elem = selElems[i];
|
|
if (elem && elem.getAttribute("shape") === "star") {
|
|
if (opts.selectedElement && !opts.multiselected) {
|
|
$id("starNumPoints").value = elem.getAttribute("point");
|
|
$id("radialShift").value = elem.getAttribute("radialshift");
|
|
showPanel(true, "star");
|
|
} else {
|
|
showPanel(false, "star");
|
|
}
|
|
} else if (elem && elem.getAttribute("shape") === "regularPoly") {
|
|
if (opts.selectedElement && !opts.multiselected) {
|
|
$id("polySides").value = elem.getAttribute("sides");
|
|
showPanel(true, "polygon");
|
|
} else {
|
|
showPanel(false, "polygon");
|
|
}
|
|
} else {
|
|
showPanel(false, "star");
|
|
showPanel(false, "polygon");
|
|
}
|
|
}
|
|
},
|
|
elementChanged(_opts) {
|
|
// const elem = opts.elems[0];
|
|
}
|
|
};
|
|
}
|
|
};
|