cordova-plugin-printer/www/printer.js
2013-08-09 18:58:47 +02:00

86 lines
2.6 KiB
JavaScript
Executable File

/**
* 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();
});