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Show Legend Image #763

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02de16b
View Legend on hover of legendlink
AliyanH Feb 6, 2023
15423a2
Add legend on focus
AliyanH Feb 20, 2023
12213b1
Merge branch 'Maps4HTML:main' into legend
AliyanH Feb 20, 2023
f270b72
set max image width
AliyanH Feb 21, 2023
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15 changes: 15 additions & 0 deletions src/mapml.css
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,21 @@
color: revert;
}

/* Style Legend */
.legendLink span {
position: absolute;
visibility: hidden;
}
.legendLink:hover span, .legendLink:focus span {
visibility:visible;
left: 0;
right: auto;
z-index: 1;
}
.legendLink img {
max-width: 200px;
}

.leaflet-top .leaflet-control {
margin-top: 5px;
}
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7 changes: 7 additions & 0 deletions src/mapml/layers/MapMLLayer.js
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Expand Up @@ -651,10 +651,17 @@ export var MapMLLayer = L.Layer.extend({

if (this._legendUrl) {
var legendLink = document.createElement('a');
var viewerSpan = document.createElement('span');
var legendImg = document.createElement('img');
legendLink.text = ' ' + this._title;
legendLink.href = this._legendUrl;
legendLink.target = '_blank';
legendLink.draggable = false;
legendLink.setAttribute('class', 'legendLink');
legendImg.src = this._legendUrl;
legendImg.alt = "Legend for " + this._title;
viewerSpan.appendChild(legendImg);
legendLink.appendChild(viewerSpan);
layerItemName.appendChild(legendLink);
} else {
layerItemName.innerHTML = this._title;
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