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<h1 class="page-title">Source: panels/LeftPanel.js</h1>
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<pre class="prettyprint source linenums"><code>import SvgCanvas from '@svgedit/svgcanvas'
import leftPanelHTML from './LeftPanel.html'
const { $id, $qa, $click } = SvgCanvas
/*
* register actions for left panel
*/
/**
* @type {module}
*/
class LeftPanel {
/**
* @param {PlainObject} editor svgedit handler
*/
constructor (editor) {
this.editor = editor
}
/**
* This is a common function used when a tool has been clicked (chosen).
* It does several common things:
* - Removes the pressed button from whatever tool currently has it.
* - Adds the the pressed button to the button passed in.
* @function this.updateLeftPanel
* @param {string|Element} button The DOM element or string selector representing the toolbar button
* @returns {boolean} Whether the button was disabled or not
*/
updateLeftPanel (button) {
if (button.disabled) return false
// remove the pressed state on other(s) button(s)
$qa('#tools_left *[pressed]').forEach((b) => {
b.pressed = false
})
// pressed state for the clicked button
$id(button).pressed = true
return true
}
/**
* Unless the select toolbar button is disabled, sets the button
* and sets the select mode and cursor styles.
* @function module:SVGEditor.clickSelect
* @returns {void}
*/
clickSelect () {
if (this.updateLeftPanel('tool_select')) {
// this.editor.workarea.style.cursor = 'auto'
this.editor.svgCanvas.setMode('select')
}
}
/**
*
* @returns {void}
*/
clickFHPath () {
if (this.updateLeftPanel('tool_fhpath')) {
this.editor.svgCanvas.setMode('fhpath')
}
}
/**
*
* @returns {void}
*/
clickLine () {
if (this.updateLeftPanel('tool_line')) {
this.editor.svgCanvas.setMode('line')
}
}
/**
*
* @returns {void}
*/
clickSquare () {
if (this.updateLeftPanel('tool_square')) {
this.editor.svgCanvas.setMode('square')
}
}
/**
*
* @returns {void}
*/
clickRect () {
if (this.updateLeftPanel('tool_rect')) {
this.editor.svgCanvas.setMode('rect')
}
}
/**
*
* @returns {void}
*/
clickFHRect () {
if (this.updateLeftPanel('tool_fhrect')) {
this.editor.svgCanvas.setMode('fhrect')
}
}
/**
*
* @returns {void}
*/
clickCircle () {
if (this.updateLeftPanel('tool_circle')) {
this.editor.svgCanvas.setMode('circle')
}
}
/**
*
* @returns {void}
*/
clickEllipse () {
if (this.updateLeftPanel('tool_ellipse')) {
this.editor.svgCanvas.setMode('ellipse')
}
}
/**
*
* @returns {void}
*/
clickFHEllipse () {
if (this.updateLeftPanel('tool_fhellipse')) {
this.editor.svgCanvas.setMode('fhellipse')
}
}
/**
*
* @returns {void}
*/
clickImage () {
if (this.updateLeftPanel('tool_image')) {
this.editor.svgCanvas.setMode('image')
}
}
/**
*
* @returns {void}
*/
clickZoom () {
if (this.updateLeftPanel('tool_zoom')) {
this.editor.svgCanvas.setMode('zoom')
this.editor.workarea.style.cursor = this.editor.zoomInIcon
}
}
/**
*
* @returns {void}
*/
dblclickZoom () {
if (this.updateLeftPanel('tool_zoom')) {
this.editor.zoomImage()
this.clickSelect()
}
}
/**
*
* @returns {void}
*/
clickText () {
if (this.updateLeftPanel('tool_text')) {
this.editor.svgCanvas.setMode('text')
}
}
/**
*
* @returns {void}
*/
clickPath () {
if (this.updateLeftPanel('tool_path')) {
this.editor.svgCanvas.setMode('path')
}
}
/**
* @type {module}
*/
add (id, handler) {
$click($id(id), () => {
if (this.updateLeftPanel(id)) {
handler()
}
})
}
/**
* @type {module}
*/
init () {
// add Left panel
const template = document.createElement('template')
template.innerHTML = leftPanelHTML
this.editor.$svgEditor.append(template.content.cloneNode(true))
// register actions for left panel
$click($id('tool_select'), this.clickSelect.bind(this))
$click($id('tool_fhpath'), this.clickFHPath.bind(this))
$click($id('tool_text'), this.clickText.bind(this))
$click($id('tool_image'), this.clickImage.bind(this))
$click($id('tool_zoom'), this.clickZoom.bind(this))
$id('tool_zoom').addEventListener('dblclick', this.dblclickZoom.bind(this))
$click($id('tool_path'), this.clickPath.bind(this))
$click($id('tool_line'), this.clickLine.bind(this))
// flyout
$click($id('tool_rect'), this.clickRect.bind(this))
$click($id('tool_square'), this.clickSquare.bind(this))
$click($id('tool_fhrect'), this.clickFHRect.bind(this))
$click($id('tool_ellipse'), this.clickEllipse.bind(this))
$click($id('tool_circle'), this.clickCircle.bind(this))
$click($id('tool_fhellipse'), this.clickFHEllipse.bind(this))
}
}
export default LeftPanel
</code></pre>
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