MediaWiki:Common.js: Difference between revisions

MediaWiki:Common.js (view source)

836 bytes added , 10 February 2023

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@@ Line 8: / Line 8: @@
      try {
          window.zoomMap = svgPanZoom('#Layer_1', {
-            zoomEnabled: true,
+	  	var beforePan
-            controlIconsEnabled: true,
-            fit: true,
+		beforePan = function(oldPan, newPan){
-			contain: true,
+			var stopHorizontal = false
-            center: true,
+			stopVertical = false
-         });
+			gutterWidth = 100
+			gutterHeight = 100
+			// Computed variables
+			sizes = this.getSizes()
+			leftLimit = -((sizes.viewBox.x + sizes.viewBox.width) * sizes.realZoom) + gutterWidth
+			rightLimit = sizes.width - gutterWidth - (sizes.viewBox.x * sizes.realZoom)
+			topLimit = -((sizes.viewBox.y + sizes.viewBox.height) * sizes.realZoom) + gutterHeight
+			bottomLimit = sizes.height - gutterHeight - (sizes.viewBox.y * sizes.realZoom)
+			customPan = {}
+			customPan.x = Math.max(leftLimit, Math.min(rightLimit, newPan.x))
+			customPan.y = Math.max(topLimit, Math.min(bottomLimit, newPan.y))
+			return customPan
+			}
+			// Expose to window namespace for testing purposes
+			window.panZoom = svgPanZoom('#limit-svg', {
+			zoomEnabled: true
+			controlIconsEnabled: true
+			fit: 1
+			center: 1
+			beforePan: beforePan
+			});
+         // panZoom.setBeforePan(beforePan)
+		};
          var svgObject = document.getElementById("Layer_1");
          // Dynamically set size to parent