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Printer Plugin für iOS funktioniert für cordova 3.x

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Sebastián Katzer
2013-08-10 09:50:42 +02:00
parent 68221a38da
commit 244ada61bc
4 changed files with 158 additions and 232 deletions
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51
src/ios/CDVPrinter.h
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@@ -1,38 +1,33 @@
//
// PrintPlugin.h
// Print Plugin
//
// Created by Ian Tipton (github.com/itip) on 02/07/2011.
// Copyright 2011 Ian Tipton. All rights reserved.
// MIT licensed
//
/**
* Printer.m
* Cordova Printer Plugin
*
* Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
* Copyright 2013 Sebastian Katzer. All rights reserved.
* GPL v2 licensed
*/
#import <Foundation/Foundation.h>
#import <Cordova/CDVPlugin.h>
@interface CDVPrinter : CDVPlugin {
NSString* successCallback;
NSString* failCallback;
NSString* printHTML;
//Options
NSInteger dialogLeftPos;
NSInteger dialogTopPos;
}
@property (nonatomic, copy) NSString* successCallback;
@property (nonatomic, copy) NSString* failCallback;
@property (nonatomic, copy) NSString* printHTML;
//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;
// Prints the content
- (void) print:(CDVInvokedUrlCommand*)command;
// Find out whether printing is supported on this platform
- (void) isServiceAvailable:(CDVInvokedUrlCommand*)command;
@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
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@@ -1,153 +1,124 @@
//
// PrintPlugin.m
// Print Plugin
//
// Created by Ian Tipton (github.com/itip) on 02/07/2011.
// Copyright 2011 Ian Tipton. All rights reserved.
// MIT licensed
//
/**
* Printer.m
* Cordova Printer Plugin
*
* Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
* Copyright 2013 Sebastian Katzer. All rights reserved.
* GPL v2 licensed
*/
#import "CDVPrinter.h"
@interface CDVPrinter (Private)
-(void) doPrint;
-(void) callbackWithFuntion:(NSString *)function withData:(NSString *)value;
- (BOOL) isPrintServiceAvailable;
@end
@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{
NSUInteger argc = [arguments count];
if (argc < 1) {
return;
}
NSString *callBackFunction = [arguments objectAtIndex:0];
[self callbackWithFuntion:callBackFunction withData:
[NSString stringWithFormat:@"{available: %@}", ([self isPrintServiceAvailable] ? @"true" : @"false")]];
- (void) isServiceAvailable:(CDVInvokedUrlCommand*)command {
CDVPluginResult *pluginResult = nil;
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
messageAsBool:[self isPrintServiceAvailable]];
[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
}
- (void) print:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options{
NSUInteger argc = [arguments count];
if (argc < 1) {
return;
}
self.printHTML = [arguments objectAtIndex:0];
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];
/**
* Öffnet den Drucker-Kontroller zur Auswahl des Druckers.
* Callback gibt Meta-Informationen an.
*/
- (void) print:(CDVInvokedUrlCommand*)command {
NSArray *arguments = [command arguments];
CDVPluginResult *pluginResult = nil;
}
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;
}
UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
if (!controller){
if ([arguments count] == 0) {
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
messageAsString:@"{success: false, available: true}"];
[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
return;
}
if ([UIPrintInteractionController isPrintingAvailable]){
//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 *dbFilePath = [[NSBundle mainBundle] pathForResource:@"www" ofType:nil ];
NSURL *baseURL = [NSURL fileURLWithPath:dbFilePath];
//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];
NSString *content = [arguments objectAtIndex:0];
UIPrintInteractionController *controller = [self prepareController:content];
void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
CDVPluginResult *pluginResult = nil;
if (!completed || error) {
NSString *result = [NSString stringWithFormat:@"{success: false, available: true, error: \"%@\"}", error.localizedDescription];
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
messageAsString:result];
} 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{
Class myClass = NSClassFromString(@"UIPrintInteractionController");
if (myClass) {
/**
* Bereitet den Drucker-Kontroller vor.
*
* @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];
return (controller != nil) && [UIPrintInteractionController isPrintingAvailable];
}
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