Work/cordova-plugin-printer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Printer Plugin für iOS funktioniert für cordova 3.x

Browse Source
This commit is contained in:
Sebastián Katzer 2013-08-10 09:50:42 +02:00
parent 68221a38da
commit 244ada61bc
4 changed files with 158 additions and 232 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
plugin.xml
View File

@ -15,7 +15,7 @@
<config-file target="config.xml" parent="/*"> <config-file target="config.xml" parent="/*">
<feature name="Printer"> <feature name="Printer">
<param name="ios-package" value="CDVPlugin"/> <param name="ios-package" value="CDVPrinter"/>
</feature> </feature>
</config-file> </config-file>

51
src/ios/CDVPrinter.h
View File

@ -1,38 +1,33 @@
// /**
// PrintPlugin.h * Printer.m
// Print Plugin * Cordova Printer Plugin
// *
// Created by Ian Tipton (github.com/itip) on 02/07/2011. * Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
// Copyright 2011 Ian Tipton. All rights reserved. * Copyright 2013 Sebastian Katzer. All rights reserved.
// MIT licensed * GPL v2 licensed
// */
#import <Foundation/Foundation.h> #import <Foundation/Foundation.h>
#import <Cordova/CDVPlugin.h> #import <Cordova/CDVPlugin.h>
@interface CDVPrinter : CDVPlugin { @interface CDVPrinter : CDVPlugin {
NSString* successCallback;
NSString* failCallback;
NSString* printHTML;
//Options
NSInteger dialogLeftPos;
NSInteger dialogTopPos;
} }
@property (nonatomic, copy) NSString* successCallback; // Prints the content
@property (nonatomic, copy) NSString* failCallback; - (void) print:(CDVInvokedUrlCommand*)command;
@property (nonatomic, copy) NSString* printHTML; // Find out whether printing is supported on this platform
- (void) isServiceAvailable:(CDVInvokedUrlCommand*)command;
//Print Settings
@property NSInteger dialogLeftPos;
@property NSInteger dialogTopPos;
//Print HTML
- (void) print:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options;
//Find out whether printing is supported on this platform.
- (void) isPrintingAvailable:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options;
@end @end
@interface CDVPrinter (Private)
// Bereitet den Drucker-Kontroller vor
- (UIPrintInteractionController *) prepareController:(NSString*)content;
// Überprüft, ob der Drucker-Dienst verfügbar ist
- (BOOL) isPrintServiceAvailable;
@end

223
src/ios/CDVPrinter.m
View File

@ -1,153 +1,124 @@
// /**
// PrintPlugin.m * Printer.m
// Print Plugin * Cordova Printer Plugin
// *
// Created by Ian Tipton (github.com/itip) on 02/07/2011. * Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
// Copyright 2011 Ian Tipton. All rights reserved. * Copyright 2013 Sebastian Katzer. All rights reserved.
// MIT licensed * GPL v2 licensed
// */
#import "CDVPrinter.h" #import "CDVPrinter.h"
@interface CDVPrinter (Private)
-(void) doPrint;
-(void) callbackWithFuntion:(NSString *)function withData:(NSString *)value;
- (BOOL) isPrintServiceAvailable;
@end
@implementation CDVPrinter @implementation CDVPrinter
@synthesize successCallback, failCallback, printHTML, dialogTopPos, dialogLeftPos;
/* /*
Is printing available. Callback returns true/false if printing is available/unavailable. * Is printing available.
* Callback returns true/false if printing is available/unavailable.
*/ */
- (void) isPrintingAvailable:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options{ - (void) isServiceAvailable:(CDVInvokedUrlCommand*)command {
NSUInteger argc = [arguments count]; CDVPluginResult *pluginResult = nil;
if (argc < 1) { pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
return; messageAsBool:[self isPrintServiceAvailable]];
}
[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
NSString *callBackFunction = [arguments objectAtIndex:0];
[self callbackWithFuntion:callBackFunction withData:
[NSString stringWithFormat:@"{available: %@}", ([self isPrintServiceAvailable] ? @"true" : @"false")]];
} }
- (void) print:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options{ /**
NSUInteger argc = [arguments count]; * Öffnet den Drucker-Kontroller zur Auswahl des Druckers.
* Callback gibt Meta-Informationen an.
if (argc < 1) { */
return; - (void) print:(CDVInvokedUrlCommand*)command {
} NSArray *arguments = [command arguments];
self.printHTML = [arguments objectAtIndex:0]; CDVPluginResult *pluginResult = nil;
if (argc >= 2){
self.successCallback = [arguments objectAtIndex:1];
}
if (argc >= 3){
self.failCallback = [arguments objectAtIndex:2];
}
if (argc >= 4){
self.dialogLeftPos = [[arguments objectAtIndex:3] intValue];
}
if (argc >= 5){
self.dialogTopPos = [[arguments objectAtIndex:4] intValue];
}
[self doPrint];
} if (![self isPrintServiceAvailable]) {
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
messageAsString:@"{success: false, available: false}"];
[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
- (void) doPrint{
if (![self isPrintServiceAvailable]){
[self callbackWithFuntion:self.failCallback withData: @"{success: false, available: false}"];
return; return;
} }
UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController]; if ([arguments count] == 0) {
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
if (!controller){ messageAsString:@"{success: false, available: true}"];
[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
return; return;
} }
if ([UIPrintInteractionController isPrintingAvailable]){ NSString *content = [arguments objectAtIndex:0];
//Set the priner settings UIPrintInteractionController *controller = [self prepareController:content];
UIPrintInfo *printInfo = [UIPrintInfo printInfo];
printInfo.outputType = UIPrintInfoOutputGeneral; void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
controller.printInfo = printInfo; ^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
controller.showsPageRange = YES; CDVPluginResult *pluginResult = nil;
if (!completed || error) {
//Set the base URL to be the www directory. NSString *result = [NSString stringWithFormat:@"{success: false, available: true, error: \"%@\"}", error.localizedDescription];
NSString *dbFilePath = [[NSBundle mainBundle] pathForResource:@"www" ofType:nil ];
NSURL *baseURL = [NSURL fileURLWithPath:dbFilePath]; pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
messageAsString:result];
//Load page into a webview and use its formatter to print the page
UIWebView *webViewPrint = [[UIWebView alloc] init];
[webViewPrint loadHTMLString:printHTML baseURL:baseURL];
//Get formatter for web (note: margin not required - done in web page)
UIViewPrintFormatter *viewFormatter = [webViewPrint viewPrintFormatter];
controller.printFormatter = viewFormatter;
controller.showsPageRange = YES;
void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
if (!completed || error) {
[self callbackWithFuntion:self.failCallback withData:
[NSString stringWithFormat:@"{success: false, available: true, error: \"%@\"}", error.localizedDescription]];
}
else{
[self callbackWithFuntion:self.successCallback withData: @"{success: true, available: true}"];
}
};
/*
If iPad, and if button offsets passed, then show dilalog originating from offset
*/
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad &&
dialogTopPos != 0 && dialogLeftPos != 0) {
[controller presentFromRect:CGRectMake(self.dialogLeftPos, self.dialogTopPos, 0, 0) inView:self.webView animated:YES completionHandler:completionHandler];
} else { } else {
[controller presentAnimated:YES completionHandler:completionHandler]; pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
messageAsString:@"{success: true, available: true}"];
} }
}
[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
};
[controller presentAnimated:YES completionHandler:completionHandler];
} }
-(BOOL) isPrintServiceAvailable{ /**
* Bereitet den Drucker-Kontroller vor.
Class myClass = NSClassFromString(@"UIPrintInteractionController"); *
if (myClass) { * @param {NSString} content Der zu druckende Inhalt
*/
- (UIPrintInteractionController *) prepareController:(NSString *)content {
UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
//Set the priner settings
UIPrintInfo *printInfo = [UIPrintInfo printInfo];
printInfo.outputType = UIPrintInfoOutputGeneral;
controller.printInfo = printInfo;
controller.showsPageRange = YES;
//Set the base URL to be the www directory.
NSString *wwwFilePath = [[NSBundle mainBundle] pathForResource:@"www" ofType:nil ];
NSURL *baseURL = [NSURL fileURLWithPath:wwwFilePath];
//Load page into a webview and use its formatter to print the page
UIWebView *webViewPrint = [[UIWebView alloc] init];
[webViewPrint loadHTMLString:content baseURL:baseURL];
//Get formatter for web (note: margin not required - done in web page)
UIViewPrintFormatter *viewFormatter = [webViewPrint viewPrintFormatter];
controller.printFormatter = viewFormatter;
controller.showsPageRange = YES;
return controller;
}
/**
* Überprüft, ob der Drucker-Dienst verfügbar ist.
*/
- (BOOL) isPrintServiceAvailable {
Class printController = NSClassFromString(@"UIPrintInteractionController");
if (printController) {
UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController]; UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
return (controller != nil) && [UIPrintInteractionController isPrintingAvailable]; return (controller != nil) && [UIPrintInteractionController isPrintingAvailable];
} }
return NO; return NO;
} }
#pragma mark -
#pragma mark Return messages
-(void) callbackWithFuntion:(NSString *)function withData:(NSString *)value{
if (!function || [@"" isEqualToString:function]){
return;
}
NSString* jsCallBack = [NSString stringWithFormat:@"%@(%@);", function, value];
[self writeJavascript: jsCallBack];
}
@end @end

114
www/printer.js
View File

@ -1,86 +1,46 @@
/** /**
* Printer Plugin * Printer.m
* Copyright (c) 2011 Ian Tipton (github.com/itip) * Cordova Printer Plugin
* MIT licensed *
* Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
* Copyright 2013 Sebastian Katzer. All rights reserved.
* GPL v2 licensed
*/ */
var PrintPlugin = function() { var Printer = 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);
}; };
/* Printer.prototype = {
* Callback function returns {available: true/false} /**
*/ * Überprüft, ob der Drucker-Dienst verfügbar ist.
PrintPlugin.prototype.isPrintingAvailable = function(callback) { *
var key = 'isPrintingAvailable' + this.callbackIdx++; * @param {Function} callback
window.plugins.printPlugin.callbackMap[key] = function(result) { * @return {Boolean}
delete window.plugins.printPlugin.callbackMap[key]; */
callback(result); isServiceAvailable: function (callback) {
}; cordova.exec(callback, null, 'Printer', 'isServiceAvailable', []);
},
var callbackName = 'window.plugins.printPlugin.callbackMap.' + key; /**
cordova.exec("PrintPlugin.isPrintingAvailable", callbackName); * Übergibt den HTML-Content an den Drucker-Dienst.
*
* @param {String} content html string or DOM node (if latter, innerHTML is used to get the contents)
* @param {Function?} success callback function called if print successful. {success: true}
* @param {Function?} failure callback function called if print unsuccessful. If print fails, {error: reason}. If printing not available: {available: false}
*/
print: function (content, success, failure) {
content = content.innerHTML || content;
if (typeof content != 'string') {
console.log('Print function requires an HTML string. Not an object');
return;
}
cordova.exec(success, failure, 'Printer', 'print', [content]);
}
}; };
cordova.addConstructor(function() { var printer = new Printer();
if(!window.plugins){
window.plugins = {}; module.exports = printer;
}
window.plugins.printPlugin = new PrintPlugin();
});