umap/umap/static/umap/js/umap.icon.js
2024-02-14 18:41:07 +01:00

234 lines
7.1 KiB
JavaScript

U.Icon = L.DivIcon.extend({
initialize: function (map, options) {
this.map = map
const default_options = {
iconSize: null, // Made in css
iconUrl: this.map.getDefaultOption('iconUrl'),
feature: null,
}
options = L.Util.extend({}, default_options, options)
L.Icon.prototype.initialize.call(this, options)
this.feature = this.options.feature
if (this.feature && this.feature.isReadOnly()) {
this.options.className += ' readonly'
}
},
_getIconUrl: function (name) {
let url
if (this.feature && this.feature._getIconUrl(name))
url = this.feature._getIconUrl(name)
else url = this.options[`${name}Url`]
return this.formatUrl(url, this.feature)
},
_getColor: function () {
let color
if (this.feature) color = this.feature.getDynamicOption('color')
else if (this.options.color) color = this.options.color
else color = this.map.getDefaultOption('color')
return color
},
_getOpacity: function () {
if (this.feature) return this.feature.getOption('iconOpacity')
return this.map.getDefaultOption('iconOpacity')
},
formatUrl: function (url, feature) {
return L.Util.greedyTemplate(url || '', feature ? feature.extendedProperties() : {})
},
onAdd: function () {},
})
U.Icon.Default = U.Icon.extend({
default_options: {
iconAnchor: new L.Point(16, 40),
popupAnchor: new L.Point(0, -40),
tooltipAnchor: new L.Point(16, -24),
className: 'umap-div-icon',
},
initialize: function (map, options) {
options = L.Util.extend({}, this.default_options, options)
U.Icon.prototype.initialize.call(this, map, options)
},
_setIconStyles: function (img, name) {
U.Icon.prototype._setIconStyles.call(this, img, name)
const color = this._getColor(),
opacity = this._getOpacity()
this.elements.container.style.backgroundColor = color
this.elements.arrow.style.borderTopColor = color
this.elements.container.style.opacity = opacity
this.elements.arrow.style.opacity = opacity
},
onAdd: function () {
const src = this._getIconUrl('icon')
const bgcolor = this._getColor()
U.Icon.setIconContrast(this.elements.icon, this.elements.container, src, bgcolor)
},
createIcon: function () {
this.elements = {}
this.elements.main = L.DomUtil.create('div')
this.elements.container = L.DomUtil.create(
'div',
'icon_container',
this.elements.main
)
this.elements.arrow = L.DomUtil.create('div', 'icon_arrow', this.elements.main)
const src = this._getIconUrl('icon')
if (src) {
this.elements.icon = U.Icon.makeIconElement(src, this.elements.container)
}
this._setIconStyles(this.elements.main, 'icon')
return this.elements.main
},
})
U.Icon.Circle = U.Icon.extend({
initialize: function (map, options) {
const default_options = {
popupAnchor: new L.Point(0, -6),
tooltipAnchor: new L.Point(6, 0),
className: 'umap-circle-icon',
}
options = L.Util.extend({}, default_options, options)
U.Icon.prototype.initialize.call(this, map, options)
},
_setIconStyles: function (img, name) {
U.Icon.prototype._setIconStyles.call(this, img, name)
this.elements.main.style.backgroundColor = this._getColor()
this.elements.main.style.opacity = this._getOpacity()
},
createIcon: function () {
this.elements = {}
this.elements.main = L.DomUtil.create('div')
this.elements.main.innerHTML = ' '
this._setIconStyles(this.elements.main, 'icon')
return this.elements.main
},
})
U.Icon.Drop = U.Icon.Default.extend({
default_options: {
iconAnchor: new L.Point(16, 42),
popupAnchor: new L.Point(0, -42),
tooltipAnchor: new L.Point(16, -24),
className: 'umap-drop-icon',
},
})
U.Icon.Ball = U.Icon.Default.extend({
default_options: {
iconAnchor: new L.Point(8, 30),
popupAnchor: new L.Point(0, -28),
tooltipAnchor: new L.Point(8, -23),
className: 'umap-ball-icon',
},
createIcon: function () {
this.elements = {}
this.elements.main = L.DomUtil.create('div')
this.elements.container = L.DomUtil.create(
'div',
'icon_container',
this.elements.main
)
this.elements.arrow = L.DomUtil.create('div', 'icon_arrow', this.elements.main)
this._setIconStyles(this.elements.main, 'icon')
return this.elements.main
},
_setIconStyles: function (img, name) {
U.Icon.prototype._setIconStyles.call(this, img, name)
const color = this._getColor('color')
let background
if (L.Browser.ielt9) {
background = color
} else if (L.Browser.webkit) {
background = `-webkit-gradient( radial, 6 38%, 0, 6 38%, 8, from(white), to(${color}) )`
} else {
background = `radial-gradient(circle at 6px 38% , white -4px, ${color} 8px) repeat scroll 0 0 transparent`
}
this.elements.container.style.background = background
this.elements.container.style.opacity = this._getOpacity()
},
})
U.Icon.Cluster = L.DivIcon.extend({
options: {
iconSize: [40, 40],
},
initialize: function (datalayer, cluster) {
this.datalayer = datalayer
this.cluster = cluster
},
createIcon: function () {
const container = L.DomUtil.create('div', 'leaflet-marker-icon marker-cluster'),
div = L.DomUtil.create('div', '', container),
span = L.DomUtil.create('span', '', div),
backgroundColor = this.datalayer.getColor()
span.textContent = this.cluster.getChildCount()
div.style.backgroundColor = backgroundColor
return container
},
computeTextColor: function (el) {
let color
const backgroundColor = this.datalayer.getColor()
if (this.datalayer.options.cluster && this.datalayer.options.cluster.textColor) {
color = this.datalayer.options.cluster.textColor
}
return color || L.DomUtil.TextColorFromBackgroundColor(el, backgroundColor)
},
})
U.Icon.isImg = function (src) {
return L.Util.isPath(src) || L.Util.isRemoteUrl(src) || L.Util.isDataImage(src)
}
U.Icon.makeIconElement = function (src, parent) {
let icon
if (U.Icon.isImg(src)) {
icon = L.DomUtil.create('img')
icon.src = src
} else {
icon = L.DomUtil.create('span')
icon.textContent = src
}
parent.appendChild(icon)
return icon
}
U.Icon.setIconContrast = function (icon, parent, src, bgcolor) {
/*
* icon: the element we'll adapt the style, it can be an image or text
* parent: the element we'll consider to decide whether to adapt the style,
* by looking at its background color
* src: the raw "icon" value, can be an URL, a path, text, emoticon, etc.
* bgcolor: the background color, used for caching and in case we cannot guess the
* parent background color
*/
if (!icon) return
if (L.DomUtil.contrastedColor(parent, bgcolor)) {
// Decide whether to switch svg to white or not, but do it
// only for internal SVG, as invert could do weird things
if (L.Util.isPath(src) && src.endsWith('.svg') && src !== U.DEFAULT_ICON_URL) {
// Must be called after icon container is added to the DOM
// An image
icon.style.filter = 'invert(1)'
} else if (!icon.src) {
// Text icon
icon.style.color = 'white'
}
}
}