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Option 'initialZoomLevel': zoom to specified zoom level after click #263

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merged 1 commit into from
Mar 23, 2020
Merged

Option 'initialZoomLevel': zoom to specified zoom level after click #263

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ Possible options are listed in the following table. More details are [in the cod
| `setView` | `boolean` or `string` | Set the map view (zoom and pan) to the user's location as it updates. Options are `false`, `'once'`, `'always'`, `'untilPan'`, or `'untilPanOrZoom'` | `'untilPanOrZoom'` |
| `flyTo` | `boolean` | Smooth pan and zoom to the location of the marker. Only works in Leaflet 1.0+. | `false` |
| `keepCurrentZoomLevel` | `boolean` | Only pan when setting the view. | `false` |
| `initialZoomLevel` | `false` or `integer` | After activating the plugin by clicking on the icon, zoom to the selected zoom level, even when keepCurrentZoomLevel is true. Set to `false` to disable this feature. | `false` |
| `clickBehavior` | `object` | What to do when the user clicks on the control. Has three options `inView`, `inViewNotFollowing` and `outOfView`. Possible values are `stop` and `setView`, or the name of a behaviour to inherit from. | `{inView: 'stop', outOfView: 'setView', inViewNotFollowing: 'inView'}` |
| `returnToPrevBounds` | `boolean` | If set, save the map bounds just before centering to the user's location. When control is disabled, set the view back to the bounds that were saved. | `false` |
| `cacheLocation` | `boolean` | Keep a cache of the location after the user deactivates the control. If set to false, the user has to wait until the locate API returns a new location before they see where they are again. | `true` |
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6 changes: 6 additions & 0 deletions src/L.Control.Locate.js
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Expand Up @@ -168,6 +168,8 @@ You can find the project at: https://github.com/domoritz/leaflet-locatecontrol
setView: 'untilPanOrZoom',
/** Keep the current map zoom level when setting the view and only pan. */
keepCurrentZoomLevel: false,
/** After activating the plugin by clicking on the icon, zoom to the selected zoom level, even when keepCurrentZoomLevel is true. Set to 'false' to disable this feature. */
initialZoomLevel: false,
/**
* This callback can be used to override the viewport tracking
* This function should return a LatLngBounds object.
Expand Down Expand Up @@ -525,6 +527,10 @@ You can find the project at: https://github.com/domoritz/leaflet-locatecontrol
this._event = undefined; // clear the current location so we can get back into the bounds
this.options.onLocationOutsideMapBounds(this);
} else {
if (this._justClicked && this.options.initialZoomLevel !== false) {
var f = this.options.flyTo ? this._map.flyTo : this._map.setView;
f.bind(this._map)([this._event.latitude, this._event.longitude], this.options.initialZoomLevel);
} else
if (this.options.keepCurrentZoomLevel) {
var f = this.options.flyTo ? this._map.flyTo : this._map.panTo;
f.bind(this._map)([this._event.latitude, this._event.longitude]);
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