Printer Plugin für iOS funktioniert für cordova 3.x
This commit is contained in:
Sebastián Katzer
parent
68221a38da
commit
244ada61bc
@ -15,7 +15,7 @@
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<config-file target="config.xml" parent="/*">
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<feature name="Printer">
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<param name="ios-package" value="CDVPlugin"/>
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<param name="ios-package" value="CDVPrinter"/>
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</feature>
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</config-file>
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@ -1,38 +1,33 @@
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//
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// PrintPlugin.h
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// Print Plugin
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//
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// Created by Ian Tipton (github.com/itip) on 02/07/2011.
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// Copyright 2011 Ian Tipton. All rights reserved.
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// MIT licensed
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//
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/**
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* Printer.m
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* Cordova Printer Plugin
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*
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* Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
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* Copyright 2013 Sebastian Katzer. All rights reserved.
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* GPL v2 licensed
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*/
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#import <Foundation/Foundation.h>
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#import <Cordova/CDVPlugin.h>
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@interface CDVPrinter : CDVPlugin {
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NSString* successCallback;
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NSString* failCallback;
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NSString* printHTML;
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//Options
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NSInteger dialogLeftPos;
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NSInteger dialogTopPos;
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}
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@property (nonatomic, copy) NSString* successCallback;
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@property (nonatomic, copy) NSString* failCallback;
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@property (nonatomic, copy) NSString* printHTML;
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//Print Settings
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@property NSInteger dialogLeftPos;
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@property NSInteger dialogTopPos;
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//Print HTML
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- (void) print:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options;
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//Find out whether printing is supported on this platform.
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- (void) isPrintingAvailable:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options;
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// Prints the content
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- (void) print:(CDVInvokedUrlCommand*)command;
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// Find out whether printing is supported on this platform
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- (void) isServiceAvailable:(CDVInvokedUrlCommand*)command;
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@end
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@interface CDVPrinter (Private)
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// Bereitet den Drucker-Kontroller vor
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- (UIPrintInteractionController *) prepareController:(NSString*)content;
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// Überprüft, ob der Drucker-Dienst verfügbar ist
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- (BOOL) isPrintServiceAvailable;
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@end
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@ -1,136 +1,119 @@
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//
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// PrintPlugin.m
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// Print Plugin
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//
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// Created by Ian Tipton (github.com/itip) on 02/07/2011.
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// Copyright 2011 Ian Tipton. All rights reserved.
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// MIT licensed
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//
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/**
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* Printer.m
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* Cordova Printer Plugin
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*
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* Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
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* Copyright 2013 Sebastian Katzer. All rights reserved.
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* GPL v2 licensed
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*/
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#import "CDVPrinter.h"
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@interface CDVPrinter (Private)
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-(void) doPrint;
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-(void) callbackWithFuntion:(NSString *)function withData:(NSString *)value;
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- (BOOL) isPrintServiceAvailable;
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@end
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@implementation CDVPrinter
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@synthesize successCallback, failCallback, printHTML, dialogTopPos, dialogLeftPos;
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/*
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Is printing available. Callback returns true/false if printing is available/unavailable.
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* Is printing available.
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* Callback returns true/false if printing is available/unavailable.
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*/
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- (void) isPrintingAvailable:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options{
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NSUInteger argc = [arguments count];
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- (void) isServiceAvailable:(CDVInvokedUrlCommand*)command {
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CDVPluginResult *pluginResult = nil;
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if (argc < 1) {
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return;
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pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
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messageAsBool:[self isPrintServiceAvailable]];
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[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
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}
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/**
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* Öffnet den Drucker-Kontroller zur Auswahl des Druckers.
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* Callback gibt Meta-Informationen an.
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*/
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- (void) print:(CDVInvokedUrlCommand*)command {
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NSArray *arguments = [command arguments];
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CDVPluginResult *pluginResult = nil;
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NSString *callBackFunction = [arguments objectAtIndex:0];
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[self callbackWithFuntion:callBackFunction withData:
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[NSString stringWithFormat:@"{available: %@}", ([self isPrintServiceAvailable] ? @"true" : @"false")]];
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}
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- (void) print:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options{
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NSUInteger argc = [arguments count];
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if (argc < 1) {
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return;
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}
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self.printHTML = [arguments objectAtIndex:0];
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if (argc >= 2){
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self.successCallback = [arguments objectAtIndex:1];
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}
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if (argc >= 3){
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self.failCallback = [arguments objectAtIndex:2];
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}
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if (argc >= 4){
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self.dialogLeftPos = [[arguments objectAtIndex:3] intValue];
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}
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if (argc >= 5){
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self.dialogTopPos = [[arguments objectAtIndex:4] intValue];
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}
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[self doPrint];
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}
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- (void) doPrint{
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if (![self isPrintServiceAvailable]) {
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[self callbackWithFuntion:self.failCallback withData: @"{success: false, available: false}"];
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pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
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messageAsString:@"{success: false, available: false}"];
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[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
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return;
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}
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if ([arguments count] == 0) {
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pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
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messageAsString:@"{success: false, available: true}"];
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[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
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return;
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}
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NSString *content = [arguments objectAtIndex:0];
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UIPrintInteractionController *controller = [self prepareController:content];
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void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
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^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
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CDVPluginResult *pluginResult = nil;
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if (!completed || error) {
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NSString *result = [NSString stringWithFormat:@"{success: false, available: true, error: \"%@\"}", error.localizedDescription];
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pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
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messageAsString:result];
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} else {
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pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
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messageAsString:@"{success: true, available: true}"];
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}
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[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
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};
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[controller presentAnimated:YES completionHandler:completionHandler];
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}
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/**
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* Bereitet den Drucker-Kontroller vor.
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*
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* @param {NSString} content Der zu druckende Inhalt
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*/
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- (UIPrintInteractionController *) prepareController:(NSString *)content {
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UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
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if (!controller){
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return;
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}
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if ([UIPrintInteractionController isPrintingAvailable]){
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//Set the priner settings
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UIPrintInfo *printInfo = [UIPrintInfo printInfo];
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printInfo.outputType = UIPrintInfoOutputGeneral;
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controller.printInfo = printInfo;
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controller.showsPageRange = YES;
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//Set the base URL to be the www directory.
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NSString *dbFilePath = [[NSBundle mainBundle] pathForResource:@"www" ofType:nil ];
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NSURL *baseURL = [NSURL fileURLWithPath:dbFilePath];
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NSString *wwwFilePath = [[NSBundle mainBundle] pathForResource:@"www" ofType:nil ];
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NSURL *baseURL = [NSURL fileURLWithPath:wwwFilePath];
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//Load page into a webview and use its formatter to print the page
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UIWebView *webViewPrint = [[UIWebView alloc] init];
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[webViewPrint loadHTMLString:printHTML baseURL:baseURL];
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[webViewPrint loadHTMLString:content baseURL:baseURL];
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//Get formatter for web (note: margin not required - done in web page)
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UIViewPrintFormatter *viewFormatter = [webViewPrint viewPrintFormatter];
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controller.printFormatter = viewFormatter;
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controller.showsPageRange = YES;
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void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
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^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
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if (!completed || error) {
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[self callbackWithFuntion:self.failCallback withData:
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[NSString stringWithFormat:@"{success: false, available: true, error: \"%@\"}", error.localizedDescription]];
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return controller;
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}
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else{
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[self callbackWithFuntion:self.successCallback withData: @"{success: true, available: true}"];
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}
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};
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/*
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If iPad, and if button offsets passed, then show dilalog originating from offset
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/**
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* Überprüft, ob der Drucker-Dienst verfügbar ist.
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*/
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if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad &&
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dialogTopPos != 0 && dialogLeftPos != 0) {
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[controller presentFromRect:CGRectMake(self.dialogLeftPos, self.dialogTopPos, 0, 0) inView:self.webView animated:YES completionHandler:completionHandler];
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} else {
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[controller presentAnimated:YES completionHandler:completionHandler];
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}
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}
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}
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- (BOOL) isPrintServiceAvailable {
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Class printController = NSClassFromString(@"UIPrintInteractionController");
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Class myClass = NSClassFromString(@"UIPrintInteractionController");
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if (myClass) {
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if (printController) {
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UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
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return (controller != nil) && [UIPrintInteractionController isPrintingAvailable];
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}
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@ -138,16 +121,4 @@
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return NO;
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}
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#pragma mark -
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#pragma mark Return messages
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-(void) callbackWithFuntion:(NSString *)function withData:(NSString *)value{
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if (!function || [@"" isEqualToString:function]){
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return;
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}
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NSString* jsCallBack = [NSString stringWithFormat:@"%@(%@);", function, value];
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[self writeJavascript: jsCallBack];
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}
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@end
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110
www/printer.js
110
www/printer.js
@ -1,86 +1,46 @@
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/**
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* Printer.m
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* Cordova Printer Plugin
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*
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* Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
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* Copyright 2013 Sebastian Katzer. All rights reserved.
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* GPL v2 licensed
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*/
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var Printer = function () {
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};
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Printer.prototype = {
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/**
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* Überprüft, ob der Drucker-Dienst verfügbar ist.
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*
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* @param {Function} callback
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* @return {Boolean}
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*/
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isServiceAvailable: function (callback) {
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cordova.exec(callback, null, 'Printer', 'isServiceAvailable', []);
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},
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/**
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* Printer Plugin
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* Copyright (c) 2011 Ian Tipton (github.com/itip)
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* MIT licensed
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* Übergibt den HTML-Content an den Drucker-Dienst.
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*
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* @param {String} content html string or DOM node (if latter, innerHTML is used to get the contents)
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* @param {Function?} success callback function called if print successful. {success: true}
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* @param {Function?} failure callback function called if print unsuccessful. If print fails, {error: reason}. If printing not available: {available: false}
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*/
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print: function (content, success, failure) {
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content = content.innerHTML || content;
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var PrintPlugin = function() {
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}
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PrintPlugin.prototype.callbackMap = {};
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PrintPlugin.prototype.callbackIdx = 0;
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/*
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print - html string or DOM node (if latter, innerHTML is used to get the contents). REQUIRED.
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success - callback function called if print successful. {success: true}
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fail - callback function called if print unsuccessful. If print fails, {error: reason}. If printing not available: {available: false}
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options - {dialogOffset:{left: 0, right: 0}}. Position of popup dialog (iPad only).
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*/
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PrintPlugin.prototype.print = function(printHTML, success, fail, options) {
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if (typeof printHTML != 'string'){
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console.log("Print function requires an HTML string. Not an object");
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if (typeof content != 'string') {
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console.log('Print function requires an HTML string. Not an object');
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return;
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}
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//var printHTML = "";
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var dialogLeftPos = 0;
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var dialogTopPos = 0;
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if (options){
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if (options.dialogOffset){
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if (options.dialogOffset.left){
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dialogLeftPos = options.dialogOffset.left;
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if (isNaN(dialogLeftPos)){
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dialogLeftPos = 0;
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}
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}
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if (options.dialogOffset.top){
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dialogTopPos = options.dialogOffset.top;
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if (isNaN(dialogTopPos)){
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dialogTopPos = 0;
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}
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}
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}
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}
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var key = 'print' + this.callbackIdx++;
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window.plugins.printPlugin.callbackMap[key] = {
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success: function(result) {
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delete window.plugins.printPlugin.callbackMap[key];
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success(result);
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},
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fail: function(result) {
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delete window.plugins.printPlugin.callbackMap[key];
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fail(result);
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cordova.exec(success, failure, 'Printer', 'print', [content]);
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}
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};
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var callbackPrefix = 'window.plugins.printPlugin.callbackMap.' + key;
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return cordova.exec("PrintPlugin.print", printHTML, callbackPrefix + '.success', callbackPrefix + '.fail', dialogLeftPos, dialogTopPos);
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};
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var printer = new Printer();
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/*
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* Callback function returns {available: true/false}
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*/
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PrintPlugin.prototype.isPrintingAvailable = function(callback) {
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var key = 'isPrintingAvailable' + this.callbackIdx++;
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window.plugins.printPlugin.callbackMap[key] = function(result) {
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delete window.plugins.printPlugin.callbackMap[key];
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callback(result);
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};
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var callbackName = 'window.plugins.printPlugin.callbackMap.' + key;
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cordova.exec("PrintPlugin.isPrintingAvailable", callbackName);
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};
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cordova.addConstructor(function() {
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if(!window.plugins){
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window.plugins = {};
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}
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window.plugins.printPlugin = new PrintPlugin();
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});
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module.exports = printer;
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