Files
svgedit/src/editor/panels/BottomPanel.js
2021-04-16 22:22:39 +02:00

244 lines
9.0 KiB
JavaScript

import SvgCanvas from '../../svgcanvas/svgcanvas.js';
import {jGraduate} from '../components/jgraduate/jQuery.jGraduate.js';
const {$id, $qa} = SvgCanvas;
/*
* register actions for left panel
*/
/**
* @type {module}
*/
class BottomPanel {
/**
* @param {PlainObject} editor svgedit handler
*/
constructor (editor) {
this.editor = editor;
}
/**
* @type {module}
*/
get selectedElement () {
return this.editor.selectedElement;
}
/**
* @type {module}
*/
get multiselected () {
return this.editor.multiselected;
}
/**
* @type {module}
*/
changeStrokeWidth (e) {
let val = e.target.value;
if (val === 0 && this.editor.selectedElement && ['line', 'polyline'].includes(this.editor.selectedElement.nodeName)) {
val = 1;
}
this.editor.svgCanvas.setStrokeWidth(val);
}
/**
* @type {module}
*/
changeZoom (value) {
switch (value) {
case 'canvas':
case 'selection':
case 'layer':
case 'content':
this.editor.zoomChanged(window, value);
break;
default:
{
const zoomlevel = Number(value) / 100;
if (zoomlevel < 0.001) {
value = 0.1;
return;
}
const zoom = this.editor.svgCanvas.getZoom();
const wArea = this.editor.workarea;
this.editor.zoomChanged(window, {
width: 0,
height: 0,
// center pt of scroll position
x: (wArea.scrollLeft + parseFloat(getComputedStyle(wArea, null).width.replace("px", "")) / 2) / zoom,
y: (wArea.scrollTop + parseFloat(getComputedStyle(wArea, null).height.replace("px", "")) / 2) / zoom,
zoom: zoomlevel
}, true);
}
}
}
/**
* @fires module:svgcanvas.SvgCanvas#event:ext_toolButtonStateUpdate
* @returns {void}
*/
updateToolButtonState () {
const bNoFill = (this.editor.svgCanvas.getColor('fill') === 'none');
const bNoStroke = (this.editor.svgCanvas.getColor('stroke') === 'none');
const buttonsNeedingStroke = ['tool_fhpath', 'tool_line'];
const buttonsNeedingFillAndStroke = [
'tools_rect', 'tools_ellipse',
'tool_text', 'tool_path'
];
if (bNoStroke) {
buttonsNeedingStroke.forEach((btn) => {
// if btn is pressed, change to select button
if ($id(btn).pressed) {
this.editor.leftPanelHandlers.clickSelect();
}
$id(btn).disabled = true;
});
} else {
buttonsNeedingStroke.forEach((btn) => {
$id(btn).disabled = false;
});
}
if (bNoStroke && bNoFill) {
buttonsNeedingFillAndStroke.forEach((btn) => {
// if btn is pressed, change to select button
if ($id(btn).pressed) {
this.editor.leftPanelHandlers.clickSelect();
}
$id(btn).disabled = true;
});
} else {
buttonsNeedingFillAndStroke.forEach((btn) => {
$id(btn).disabled = false;
});
}
this.editor.svgCanvas.runExtensions(
'toolButtonStateUpdate',
/** @type {module:svgcanvas.SvgCanvas#event:ext_toolButtonStateUpdate} */ {
nofill: bNoFill,
nostroke: bNoStroke
}
);
}
/**
* @type {module}
*/
handleColorPicker (type, evt) {
const {paint} = evt.detail;
this.editor.svgCanvas.setPaint(type, paint);
this.updateToolButtonState();
}
/**
* @type {module}
*/
handleStrokeAttr (type, evt) {
this.editor.svgCanvas.setStrokeAttr(type, evt.detail.value);
}
/**
* @type {module}
*/
handleOpacity (evt) {
const val = Number.parseInt(evt.currentTarget.value.split('%')[0]);
this.editor.svgCanvas.setOpacity(val / 100);
}
/**
* @type {module}
*/
handlePalette (e) {
e.preventDefault();
// shift key or right click for stroke
const {picker, color} = e.detail;
// Webkit-based browsers returned 'initial' here for no stroke
const paint = color === 'none' ? new jGraduate.Paint() : new jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});
if (picker === 'fill') {
$id('fill_color').setPaint(paint);
} else {
$id('stroke_color').setPaint(paint);
}
this.editor.svgCanvas.setColor(picker, color);
if (color !== 'none' && this.editor.svgCanvas.getPaintOpacity(picker) !== 1) {
this.editor.svgCanvas.setPaintOpacity(picker, 1.0);
}
this.updateToolButtonState();
}
/**
* @type {module}
*/
init () {
// register actions for Bottom panel
const template = document.createElement('template');
template.innerHTML = `
<div id="tools_bottom">
<!-- Zoom buttons -->
<se-zoom id="zoom" src="./images/zoom.svg" title="Change zoom level" inputsize="40px">
<div value="1000">1000</div>
<div value="400">400</div>
<div value="200">200</div>
<div value="100">100</div>
<div value="50">50</div>
<div value="25">25</div>
<div value="canvas">Fit to canvas</div>
<div value="selection">Fit to selection</div>
<div value="layer">Fit to layer content</div>
<div value="content">Fit to all content</div>
</se-zoom>
<se-colorpicker id="fill_color" src="./images/fill.svg" title="Change fill color" type="fill"></se-colorpicker>
<se-colorpicker id="stroke_color" src="./images/stroke.svg" title="Change stroke color" type="stroke">
</se-colorpicker>
<se-spin-input id="stroke_width" min=0 max=99 step=1 title="Change stroke width" label=""></se-spin-input>
<se-list id="stroke_style" title="Change stroke dash style" label="" width="22px" height="24px">
<se-list-item value="none">&#8212;</se-list-item>
<se-list-item value="2,2">...</se-list-item>
<se-list-item value="5,5">- -</se-list-item>
<se-list-item value="5,2,2,2">- .</se-list-item>
<se-list-item value="5,2,2,2,2,2">- ..</se-list-item>
</se-list>
<se-list id="stroke_linejoin" title="Linejoin: Miter" label="" width="22px" height="24px">
<se-list-item id="linejoin_miter" value="miter"><img title="Linejoin: Miter" src="./images/linejoin_miter.svg"
height="22px"></img></se-list-item>
<se-list-item id="linejoin_round" value="round"><img title="Linejoin: Round" src="./images/linejoin_round.svg"
height="22px"></img></se-list-item>
<se-list-item id="linejoin_bevel" value="bevel"><img title="Linejoin: Bevel" src="./images/linejoin_bevel.svg"
height="22px"></img></se-list-item>
</se-list>
<se-list id="stroke_linecap" title="Linecap: Butt" label="" width="22px" height="24px">
<se-list-item id="linecap_butt" value="butt"><img title="Linecap: Butt" src="./images/linecap_butt.svg"
height="22px"></img></se-list-item>
<se-list-item id="linecap_square" value="square"><img title="Linecap: Square" src="./images/linecap_square.svg"
height="22px"></img></se-list-item>
<se-list-item id="linecap_round" value="round"><img title="Linecap: Round" src="./images/linecap_round.svg"
height="22px"></img></se-list-item>
</se-list>
<se-spin-input size="3" id="opacity" min=0 max=100 step=5 title="Change selected item opacity"
src="./images/opacity.svg"></se-spin-input>
<se-palette id="palette"></se-palette>
</div> <!-- tools_bottom -->
`
this.editor.$svgEditor.append(template.content.cloneNode(true));
$id('palette').addEventListener('change', this.handlePalette.bind(this));
const {curConfig} = this.editor.configObj;
$id('fill_color').setPaint(new jGraduate.Paint({alpha: 100, solidColor: curConfig.initFill.color}));
$id('stroke_color').setPaint(new jGraduate.Paint({alpha: 100, solidColor: curConfig.initStroke.color}));
$id('zoom').addEventListener('change', (e) => this.changeZoom.bind(this)(e.detail.value));
$id('stroke_color').addEventListener('change', (evt) => this.handleColorPicker.bind(this)('stroke', evt));
$id('fill_color').addEventListener('change', (evt) => this.handleColorPicker.bind(this)('fill', evt));
$id('stroke_width').addEventListener('change', this.changeStrokeWidth.bind(this));
$id('stroke_style').addEventListener('change', (evt) => this.handleStrokeAttr.bind(this)('stroke-dasharray', evt));
$id('stroke_linejoin').addEventListener('change', (evt) => this.handleStrokeAttr.bind(this)('stroke-linejoin', evt));
$id('stroke_linecap').addEventListener('change', (evt) => this.handleStrokeAttr.bind(this)('stroke-linecap', evt));
$id('opacity').addEventListener('change', this.handleOpacity.bind(this));
}
/**
* @type {module}
*/
updateColorpickers (apply) {
$id('fill_color').update(this.editor.svgCanvas, this.editor.selectedElement, apply);
$id('stroke_color').update(this.editor.svgCanvas, this.editor.selectedElement, apply);
}
}
export default BottomPanel;