Snippets
Piotr Szrajber Geospatial Portal SDK - Fit Layer for PSS and WFS (with disabled DisplayMode->LimitedByMapRange)
Created by
Piotr Szrajber
last modified
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* Fit Layer zooming in to particular features for PSS and WFS
* DisplayMode->LimitedByMapRange must be disabled to make it work on WFS
* Warning: this coded contains private API calls and may not work in other versions than 16 EP02
* 2017-03-28 Piotr Szrajber <piotr.szrajber@hexagongeospatial.com>
*/
Sys.Application.add_init(function() {
try {
Intergraph.WebSolutions.Core.WebClient.Controls.TreeTools.FitLayer.prototype._isFitLayerAvailable = function(mapLayerConfig) {
var ms = mapLayerConfig.get_mapService();
var def = ms.get_definition();
var name = def.name;
if (name === "WMS" || name === "WFS" || name === "WMTS" || name === "IWS" || name === "PersonalStorage") {
return true;
}
if (name === "MapPublisher") {
var p = mapLayerConfig.get_firstLegendItemPriority(),
li = mapLayerConfig.get_mapState().get_legend().get_flatLegend()[p],
lid = li.get_definition();
return !!lid.get_legendDefinition();
}
return false;
}
function getMapLayer(mapLayerConfig) {
var mapLayers = mapLayerConfig.get_mapState().get_mapControl().get_mapLayers();
for (var i = 0, l = mapLayers.length; i < l; i++) {
if (mapLayers[i].get_config().get_id() == mapLayerConfig.get_id()) {
return mapLayers[i];
}
}
return null;
}
function getBounds(layer, featureClassId) {
// minx, miny, maxx, maxy
var minx = +Infinity,
miny = +Infinity,
maxx = -Infinity,
maxy = -Infinity;
var ds = layer.get_featureDataset(),
featureClasses = ds.get_featureClasses();
for (var fc in featureClasses) {
if (typeof featureClassId !== "undefined" && fc !== featureClassId) continue;
if (!featureClasses.hasOwnProperty(fc)) continue;
var features = featureClasses[fc].get_features();
for (var feature in features) {
if (!features.hasOwnProperty(feature)) continue;
var bounds = features[feature].get_geometry().get_bounds();
minx = Math.min(minx, bounds.get_bottomX());
miny = Math.min(miny, bounds.get_bottomY());
maxx = Math.max(maxx, bounds.get_upperX());
maxy = Math.max(maxy, bounds.get_upperY());
}
}
return [minx, miny, maxx, maxy];
}
var orig = Intergraph.WebSolutions.Core.WebClient.Controls.TreeTools.FitLayer.prototype.getMapLayerMenuItems;
Intergraph.WebSolutions.Core.WebClient.Controls.TreeTools.FitLayer.prototype.getMapLayerMenuItems = function(mapLayerConfig) {
var name = mapLayerConfig.get_mapService().get_definition().name;
if (name !== "PersonalStorage" && name !== "WFS") return orig.call(this, mapLayerConfig);
var layer = getMapLayer(mapLayerConfig);
if (!layer) {
$log.writeWarning("No mapLayer");
return [];
}
return [{
xtype: 'button',
text: Intergraph.WebSolutions.Core.WebClient.Controls.Translate.FitLayer,
handler: function(b, e) {
var bbox = getBounds(layer);
$GP.map.zoom({
bbox: bbox
});
}
}];
}
var orig2 = Intergraph.WebSolutions.Core.WebClient.Controls.TreeTools.FitLayer.prototype.getLegendItemMenuItems;
Intergraph.WebSolutions.Core.WebClient.Controls.TreeTools.FitLayer.prototype.getLegendItemMenuItems = function(legendItem) {
var lid = legendItem.get_definition(),
priority = legendItem.get_priority();
try {
var type = lid.get_mapService().get_definition().name;
if (type === "WFS" || type === "PersonalStorage") {
var mapLayers = $mapStateManager.findMapState("map").get_mapControl().get_mapLayers(),
analysis = $analysisManager.findAnalysis(legendItem.get_analysisId()),
featureClassId = (analysis && analysis.get_id()) || lid.get_sourceLegendItemDefinition().get_id(),
layer = mapLayers.find(function(mapLayer) {
var config = mapLayer.get_config(),
firstPriority = config.get_firstLegendItemPriority(),
lastPriority = config.get_lastLegendItemPriority();
return firstPriority <= priority && priority <= lastPriority;
});
return [{
xtype: 'button',
text: Intergraph.WebSolutions.Core.WebClient.Controls.Translate.FitLayer,
handler: function(b, e) {
var bbox = getBounds(layer, featureClassId);
$GP.map.zoom({
bbox: bbox
});
}
}];
}
} catch (e) {
// do something with error...
}
return orig2.call(this, legendItem);
};
} catch (e) {
$log.writeWarning(e);
}
});
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