From 5ec9b282a03a31d850d038f0384f2695613b74bb Mon Sep 17 00:00:00 2001
From: Matthew Somerville <matthew-github@dracos.co.uk>
Date: Fri, 19 Aug 2016 12:51:29 +0100
Subject: Make sure PanZoom works in older OpenLayers.

Remove unused code that is same as upstream (it was added when the map
middle didn't match the visible middle), and the world button.
---
 web/js/map-OpenLayers.js | 42 ++++++++----------------------------------
 1 file changed, 8 insertions(+), 34 deletions(-)

(limited to 'web/js/map-OpenLayers.js')

diff --git a/web/js/map-OpenLayers.js b/web/js/map-OpenLayers.js
index 2790f13d3..0300c0acc 100644
--- a/web/js/map-OpenLayers.js
+++ b/web/js/map-OpenLayers.js
@@ -536,39 +536,6 @@ var fixmystreet = fixmystreet || {};
    zoomTo(0) rather than zoomToMaxExtent()
 */
 OpenLayers.Control.PanZoomFMS = OpenLayers.Class(OpenLayers.Control.PanZoom, {
-    onButtonClick: function (evt) {
-        var btn = evt.buttonElement;
-        switch (btn.action) {
-            case "panup":
-                this.map.pan(0, -this.getSlideFactor("h"));
-                break;
-            case "pandown":
-                this.map.pan(0, this.getSlideFactor("h"));
-                break;
-            case "panleft":
-                this.map.pan(-this.getSlideFactor("w"), 0);
-                break;
-            case "panright":
-                this.map.pan(this.getSlideFactor("w"), 0);
-                break;
-            case "zoomin":
-            case "zoomout":
-            case "zoomworld":
-                var size = this.map.getSize(),
-                    xy = { x: size.w / 2, y: size.h / 2 };
-                switch (btn.action) {
-                    case "zoomin":
-                        this.map.zoomTo(this.map.getZoom() + 1, xy);
-                        break;
-                    case "zoomout":
-                        this.map.zoomTo(this.map.getZoom() - 1, xy);
-                        break;
-                    case "zoomworld":
-                        this.map.zoomTo(0, xy);
-                        break;
-                }
-        }
-    },
     _addButton: function(id1, id2) {
         var btn = document.createElement('div'),
             id = id1 + id2;
@@ -577,6 +544,14 @@ OpenLayers.Control.PanZoomFMS = OpenLayers.Class(OpenLayers.Control.PanZoom, {
         btn.action = id;
         btn.className = "olButton";
         this.div.appendChild(btn);
+        if (OpenLayers.VERSION_NUMBER.indexOf('2.11') > -1) {
+            btn.map = this.map;
+            OpenLayers.Event.observe(btn, "mousedown", OpenLayers.Function.bindAsEventListener(this.buttonDown, btn));
+            var slideFactorPixels = this.slideFactor;
+            btn.getSlideFactor = function() {
+                return slideFactorPixels;
+            };
+        }
         this.buttons.push(btn);
         return btn;
     },
@@ -592,7 +567,6 @@ OpenLayers.Control.PanZoomFMS = OpenLayers.Class(OpenLayers.Control.PanZoom, {
         this._addButton("pan", "right");
         this._addButton("pan", "down");
         this._addButton("zoom", "in");
-        this._addButton("zoom", "world");
         this._addButton("zoom", "out");
         return this.div;
     }
-- 
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