From e30f267181d990947e67909de4809fa941698c85 Mon Sep 17 00:00:00 2001
From: Chris Schlaeger <chris@linux.com>
Date: Sat, 17 Oct 2015 21:36:38 +0200
Subject: Upgrading openlayers to 3.x

---
 .../openlayers/lib/OpenLayers/Tile/Image/IFrame.js | 233 ---------------------
 1 file changed, 233 deletions(-)
 delete mode 100644 misc/openlayers/lib/OpenLayers/Tile/Image/IFrame.js

(limited to 'misc/openlayers/lib/OpenLayers/Tile/Image/IFrame.js')

diff --git a/misc/openlayers/lib/OpenLayers/Tile/Image/IFrame.js b/misc/openlayers/lib/OpenLayers/Tile/Image/IFrame.js
deleted file mode 100644
index 9e33acc..0000000
--- a/misc/openlayers/lib/OpenLayers/Tile/Image/IFrame.js
+++ /dev/null
@@ -1,233 +0,0 @@
-/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
- * full list of contributors). Published under the 2-clause BSD license.
- * See license.txt in the OpenLayers distribution or repository for the
- * full text of the license. */
-
-
-/**
- * @requires OpenLayers/Tile/Image.js
- */
-
-/**
- * Constant: OpenLayers.Tile.Image.IFrame
- * Mixin for tiles that use form-encoded POST requests to get images from
- * remote services. Images will be loaded using HTTP-POST into an IFrame.
- *
- * This mixin will be applied to <OpenLayers.Tile.Image> instances
- * configured with <OpenLayers.Tile.Image.maxGetUrlLength> set.
- */
-OpenLayers.Tile.Image.IFrame = {
-
-    /**
-     * Property: useIFrame
-     * {Boolean} true if we are currently using an IFrame to render POST
-     * responses, false if we are using an img element to render GET responses.
-     */ 
-    useIFrame: null,
-
-    /**
-     * Property: blankImageUrl
-     * {String} Using a data scheme url is not supported by all browsers, but
-     * we don't care because we either set it as css backgroundImage, or the
-     * image's display style is set to "none" when we use it.
-     */
-    blankImageUrl: "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAQAIBRAA7",
-
-    /**
-     * Method: draw
-     * Set useIFrame in the instance, and operate the image/iframe switch.
-     * Then call Tile.Image.draw.
-     *
-     * Returns:
-     * {Boolean}
-     */
-    draw: function() {
-        var draw = OpenLayers.Tile.Image.prototype.shouldDraw.call(this);
-        if(draw) {
-
-            // this.url isn't set to the currect value yet, so we call getURL
-            // on the layer and store the result in a local variable
-            var url = this.layer.getURL(this.bounds);
-
-            var usedIFrame = this.useIFrame;
-            this.useIFrame = this.maxGetUrlLength !== null &&
-                             !this.layer.async &&
-                             url.length > this.maxGetUrlLength;
-
-            var fromIFrame = usedIFrame && !this.useIFrame;
-            var toIFrame = !usedIFrame && this.useIFrame;
-
-            if(fromIFrame || toIFrame) {
-
-                // Switching between GET (image) and POST (iframe).
-
-                // We remove the imgDiv (really either an image or an iframe)
-                // from the frame and set it to null to make sure initImage
-                // will call getImage.
-
-                if(this.imgDiv && this.imgDiv.parentNode === this.frame) {
-                    this.frame.removeChild(this.imgDiv);
-                }
-                this.imgDiv = null;
-
-                // And if we had an iframe we also remove the event pane.
-
-                if(fromIFrame) {
-                    this.frame.removeChild(this.frame.firstChild);
-                }
-            }
-        }
-        return OpenLayers.Tile.Image.prototype.draw.apply(this, arguments);
-    },
-
-    /**
-     * Method: getImage
-     * Creates the content for the frame on the tile.
-     */
-    getImage: function() {
-        if (this.useIFrame === true) {
-            if (!this.frame.childNodes.length) {
-                var eventPane = document.createElement("div"),
-                    style = eventPane.style;
-                style.position = "absolute";
-                style.width = "100%";
-                style.height = "100%";
-                style.zIndex = 1;
-                style.backgroundImage = "url(" + this.blankImageUrl + ")";
-                this.frame.appendChild(eventPane);
-            }
-
-            var id = this.id + '_iFrame', iframe;
-            if (parseFloat(navigator.appVersion.split("MSIE")[1]) < 9) {
-                // Older IE versions do not set the name attribute of an iFrame 
-                // properly via DOM manipulation, so we need to do it on our own with
-                // this hack.
-                iframe = document.createElement('<iframe name="'+id+'">');
-
-                // IFrames in older IE versions are not transparent, if you set
-                // the backgroundColor transparent. This is a workaround to get 
-                // transparent iframes.
-                iframe.style.backgroundColor = '#FFFFFF';
-                iframe.style.filter          = 'chroma(color=#FFFFFF)';
-            }
-            else {
-                iframe = document.createElement('iframe');
-                iframe.style.backgroundColor = 'transparent';
-
-                // iframe.name needs to be an unique id, otherwise it 
-                // could happen that other iframes are overwritten.
-                iframe.name = id;
-            }
-
-            // some special properties to avoid scaling the images and scrollbars 
-            // in the iframe
-            iframe.scrolling      = 'no';
-            iframe.marginWidth    = '0px';
-            iframe.marginHeight   = '0px';
-            iframe.frameBorder    = '0';
-
-            iframe.style.position = "absolute";
-            iframe.style.width    = "100%";
-            iframe.style.height   = "100%";
-
-            if (this.layer.opacity < 1) {
-                OpenLayers.Util.modifyDOMElement(iframe, null, null, null,
-                    null, null, null, this.layer.opacity);
-            }
-            this.frame.appendChild(iframe);
-            this.imgDiv = iframe;
-            return iframe;
-        } else {
-            return OpenLayers.Tile.Image.prototype.getImage.apply(this, arguments);
-        }
-    },
-    
-    /**
-     * Method: createRequestForm
-     * Create the html <form> element with width, height, bbox and all 
-     * parameters specified in the layer params.
-     *
-     * Returns: 
-     * {DOMElement} The form element which sends the HTTP-POST request to the
-     *              WMS. 
-     */
-    createRequestForm: function() {
-        // creation of the form element
-        var form = document.createElement('form');
-        form.method = 'POST';
-        var cacheId = this.layer.params["_OLSALT"];
-        cacheId = (cacheId ? cacheId + "_" : "") + this.bounds.toBBOX();
-        form.action = OpenLayers.Util.urlAppend(this.layer.url, cacheId);
-        form.target = this.id + '_iFrame';
-
-        // adding all parameters in layer params as hidden fields to the html
-        // form element
-        var imageSize = this.layer.getImageSize(),
-            params = OpenLayers.Util.getParameters(this.url),
-            field;
-            
-        for(var par in params) {
-            field = document.createElement('input');
-            field.type  = 'hidden';
-            field.name  = par;
-            field.value = params[par];
-            form.appendChild(field);
-        }   
-
-        return form;
-    },
-
-    /**
-     * Method: setImgSrc
-     * Sets the source for the tile image
-     *
-     * Parameters:
-     * url - {String}
-     */
-    setImgSrc: function(url) {
-        if (this.useIFrame === true) {
-            if (url) {
-                var form = this.createRequestForm();
-                this.frame.appendChild(form);
-                form.submit();
-                this.frame.removeChild(form);
-            } else if (this.imgDiv.parentNode === this.frame) {
-                // we don't reuse iframes to avoid caching issues
-                this.frame.removeChild(this.imgDiv);
-                this.imgDiv = null;
-            }
-        } else {
-            OpenLayers.Tile.Image.prototype.setImgSrc.apply(this, arguments);
-        }
-    },
-    
-    /**
-     * Method: onImageLoad
-     * Handler for the image onload event
-     */
-    onImageLoad: function() {
-        //TODO de-uglify opacity handling
-        OpenLayers.Tile.Image.prototype.onImageLoad.apply(this, arguments);
-        if (this.useIFrame === true) {
-            this.imgDiv.style.opacity = 1;
-            this.frame.style.opacity = this.layer.opacity;
-        }
-    },
-
-    /**
-     * Method: createBackBuffer
-     * Override createBackBuffer to do nothing when we use an iframe. Moving an
-     * iframe from one element to another makes it necessary to reload the iframe
-     * because its content is lost. So we just give up.
-     *
-     * Returns:
-     * {DOMElement}
-     */
-    createBackBuffer: function() {
-        var backBuffer;
-        if(this.useIFrame === false) {
-            backBuffer = OpenLayers.Tile.Image.prototype.createBackBuffer.call(this);
-        }
-        return backBuffer;
-    }
-};
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