Acquired Opera AdBlock code

options/whitelist.js

Index: options/whitelist.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/options/whitelist.js
@@ -0,0 +1,70 @@
+if(opera.version() >= 12.1) { //Whitelist is only supported above Opera 12.1
+
+	var section = document.createElement('h3');
+	section.appendChild(document.createTextNode(translate.get('whitelist')));
+	listsParent.appendChild(section);
+
+	var descript = document.createElement('p');
+	descript.innerHTML = translate.get('whitelist_descript');
+	listsParent.appendChild(descript);
+
+	var element = document.createElement('div');
+	element.setAttribute('id', 'whitelist');
+	element.setAttribute('class', 'section');
+	listsParent.appendChild(element);
+
+	var element = document.createElement('input');
+	element.setAttribute('id', 'newWhitelist');
+	element.setAttribute('type', 'text');
+	element.setAttribute('placeholder', translate.get('whitelist_holder'));
+	listsParent.appendChild(element);
+
+	var elementParent = document.createElement('div');
+	elementParent.setAttribute('class', 'button_parent');
+	var element = document.createElement('button');
+	element.setAttribute('onClick', 'whitelist.add()');
+	element.appendChild(document.createTextNode(translate.get('save_apply')));
+	elementParent.appendChild(element)
+	listsParent.appendChild(elementParent);
+
+	const whitelist = {
+		add: function() {
+			var rule = document.getElementById('newWhitelist').value;
+			if(rule != "") {
+				lists.whitelist.add(rule, true);
+				document.getElementById('newWhitelist').value = "";
+				opera.extension.postMessage({request: 'ping', type: 'css'});
+				this.display();
+			}
+		},
+		remove: function(rule) {
+			lists.whitelist.remove(rule, true);
+			opera.extension.postMessage({request: 'ping', type: 'css'});
+			this.display();
+		},
+		display: function() {
+			var container = document.createElement('div');
+			var whitelist = lists.whitelist.get();
+			for(i in whitelist) {
+				var element = document.createElement('span');
+				var removeLink = document.createElement('a');
+				var removeButton = document.createElement('img');
+				removeButton.setAttribute('src', '/images/remove14.png');
+				removeButton.setAttribute('style', 'vertical-align: middle;');
+				removeLink.appendChild(removeButton);
+				removeLink.setAttribute('onClick', 'whitelist.remove("' + whitelist[i] +'")');
+				element.appendChild(removeLink);
+				element.appendChild(document.createTextNode(' ' + whitelist[i]));
+				container.appendChild(element);
+				var br = document.createElement('br');
+				container.appendChild(br);
+			}
+			
+			var whiteParent = document.getElementById('whitelist');
+			whiteParent.innerHTML = '';
+			whiteParent.appendChild(container);
+		}
+	}
+	whitelist.display();
+
+}