Print from iOS devices to AirPrint compatible printers

2013-08-09 18:58:47 +02:00
parent f6035be6fc
commit 68221a38da
4 changed files with 308 additions and 0 deletions
--- a/www/printer.js
+++ b/www/printer.js
@@ -0,0 +1,86 @@
+
+/**
+ * Printer Plugin
+ * Copyright (c) 2011 Ian Tipton (github.com/itip)
+ * MIT licensed
+ */
+
+var PrintPlugin = function() {
+
+}
+
+PrintPlugin.prototype.callbackMap = {};
+PrintPlugin.prototype.callbackIdx = 0;
+
+/*
+ print      - html string or DOM node (if latter, innerHTML is used to get the contents). REQUIRED.
+ success    - callback function called if print successful.     {success: true}
+ fail       - callback function called if print unsuccessful.  If print fails, {error: reason}. If printing not available: {available: false}
+ options    -  {dialogOffset:{left: 0, right: 0}}. Position of popup dialog (iPad only).
+ */
+PrintPlugin.prototype.print = function(printHTML, success, fail, options) {
+    if (typeof printHTML != 'string'){
+        console.log("Print function requires an HTML string. Not an object");
+        return;
+    }
+
+
+    //var printHTML = "";
+
+    var dialogLeftPos = 0;
+    var dialogTopPos = 0;
+
+
+    if (options){
+        if (options.dialogOffset){
+            if (options.dialogOffset.left){
+                dialogLeftPos = options.dialogOffset.left;
+                if (isNaN(dialogLeftPos)){
+                    dialogLeftPos = 0;
+                }
+            }
+            if (options.dialogOffset.top){
+                dialogTopPos = options.dialogOffset.top;
+                if (isNaN(dialogTopPos)){
+                    dialogTopPos = 0;
+                }
+            }
+        }
+    }
+
+    var key = 'print' + this.callbackIdx++;
+    window.plugins.printPlugin.callbackMap[key] = {
+        success: function(result) {
+            delete window.plugins.printPlugin.callbackMap[key];
+            success(result);
+        },
+        fail: function(result) {
+            delete window.plugins.printPlugin.callbackMap[key];
+            fail(result);
+        }
+    };
+
+    var callbackPrefix = 'window.plugins.printPlugin.callbackMap.' + key;
+    return cordova.exec("PrintPlugin.print", printHTML, callbackPrefix + '.success', callbackPrefix + '.fail', dialogLeftPos, dialogTopPos);
+};
+
+/*
+ * Callback function returns {available: true/false}
+ */
+PrintPlugin.prototype.isPrintingAvailable = function(callback) {
+    var key = 'isPrintingAvailable' + this.callbackIdx++;
+    window.plugins.printPlugin.callbackMap[key] = function(result) {
+        delete window.plugins.printPlugin.callbackMap[key];
+        callback(result);
+    };
+
+    var callbackName = 'window.plugins.printPlugin.callbackMap.' + key;
+    cordova.exec("PrintPlugin.isPrintingAvailable", callbackName);
+};
+
+cordova.addConstructor(function() {
+    if(!window.plugins){
+        window.plugins = {};
+    }
+    window.plugins.printPlugin = new PrintPlugin();
+});