Fix some warnings/deprecations for iOS and improve code
This commit is contained in:
Sebastián Katzer
parent
6e44eb9cde
commit
c19cec7415
@ -19,15 +19,10 @@
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under the License.
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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 APPPrinter : CDVPlugin <UIWebViewDelegate, UIPrintInteractionControllerDelegate>
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// this is used to cache the uiprinter making repeated prints faster
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@property (nonatomic) UIPrinter *previousPrinter;
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// Find out whether printing is supported on this platform
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- (void) check:(CDVInvokedUrlCommand*)command;
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// Displays system interface for selecting a printer
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@ -26,6 +26,8 @@
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@property (retain) NSString* callbackId;
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@property (retain) NSMutableDictionary* settings;
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// this is used to cache the uiprinter making repeated prints faster
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@property (nonatomic) UIPrinter *previousPrinter;
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@end
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@ -37,9 +39,6 @@
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/*
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* Checks if the printing service is available.
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*
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* @param {Function} callback
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* A callback function to be called with the result
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*/
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- (void) check:(CDVInvokedUrlCommand*)command
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{
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@ -59,53 +58,41 @@
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/**
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* Sends the printing content to the printer controller and opens them.
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*
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* @param {NSString} content
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* The (HTML encoded) content
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*/
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- (void) print:(CDVInvokedUrlCommand*)command
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{
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if (!self.isPrintingAvailable) {
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return;
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}
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_callbackId = command.callbackId;
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NSArray* arguments = [command arguments];
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NSString* content = [arguments objectAtIndex:0];
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self.settings = [arguments objectAtIndex:1];
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if (!self.isPrintingAvailable) return;
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UIPrintInteractionController* controller = [self printController];
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controller.delegate = self;
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NSString* content = command.arguments[0];
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_settings = command.arguments[1];
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_callbackId = command.callbackId;
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[self adjustPrintController:controller
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withSettings:_settings];
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[self adjustPrintController:controller withSettings:self.settings];
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[self loadContent:content intoPrintController:controller];
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}
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/**
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* Displays system interface for selecting a printer
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*
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* @param command
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* Contains the callback function and picker options if applicable
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* Displays system interface for selecting a printer.
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*/
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- (void) pick:(CDVInvokedUrlCommand*)command
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{
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if (!self.isPrintingAvailable) {
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return;
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if (!self.isPrintingAvailable) return;
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NSMutableDictionary* settings = command.arguments[0];
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NSArray* bounds = settings[@"bounds"];
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_callbackId = command.callbackId;
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CGRect rect;
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if (bounds) {
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rect = [self convertIntoRect:bounds];
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} else {
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rect = CGRectMake(40, 30, 0, 0);
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}
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_callbackId = command.callbackId;
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NSArray* arguments = [command arguments];
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NSMutableDictionary* settings = [arguments objectAtIndex:0];
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CGRect rect = CGRectMake(40, 30, 0, 0); //Default in documentation
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if (settings != (id)[NSNull null] && [settings objectForKey:@"bounds"] != nil){
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NSArray* bounds = [settings objectForKey:@"bounds"];
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rect = [self convertIntoRect:bounds];
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}
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[self presentPrinterPicker:rect];
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}
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@ -115,32 +102,80 @@
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/**
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* Sent after a web view finishes loading a frame.
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*
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* @param webView
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* The web view has finished loading.
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* @param webView The web view has finished loading.
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*
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* @return [ Void ]
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*/
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- (void) webViewDidFinishLoad:(UIWebView *)webView
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{
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UIPrintInteractionController* controller = [self printController];
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NSString* printerId = [self.settings objectForKey:@"printerId"];
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NSString* printerID = _settings[@"printerId"];
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if (( ![printerId isEqual:[NSNull null]] ) && ( [printerId length] > 0 )) {
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[self sendToPrinter:controller printer:printerId];
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if (![printerID isEqual:[NSNull null]] && printerID.length > 0)
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{
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[self sendToPrinter:controller printer:printerID];
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return;
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}
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NSArray* bounds = [self.settings objectForKey:@"bounds"];
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NSArray* bounds = self.settings[@"bounds"];
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CGRect rect = [self convertIntoRect:bounds];
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[self presentPrintController:controller fromRect:rect];
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}
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#pragma mark -
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#pragma mark UIPrintInteractionControllerDelegate
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/**
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* Asks the delegate for an object encapsulating the paper size and printing
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* area to use for the print job. If Paper-Size is given it selects the best
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* fitting papersize
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*/
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- (UIPrintPaper *) printInteractionController:(UIPrintInteractionController *)printInteractionController
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choosePaper:(NSArray *)paperList
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{
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double height = [self.settings[@"paperHeight"] doubleValue];
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double width = [self.settings[@"paperWidth"] doubleValue];
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UIPrintPaper* paper;
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if (height && width)
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{
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double dotsHeigth = 72 * height / 25.4; //convert milimeters to dots
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double dotsWidth = 72 * width / 25.4; //convert milimeters to dots
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CGSize pageSize = CGSizeMake(dotsHeigth, dotsWidth);
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// get best fitting paper size
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paper = [UIPrintPaper bestPaperForPageSize:pageSize
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withPapersFromArray:paperList];
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}
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return paper;
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}
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/**
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* Asks the delegate for a length to use when cutting the page. If using roll
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* printers like Label-Printer (brother QL-710W) you can cut paper after given
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* length.
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*/
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- (CGFloat) printInteractionController:(UIPrintInteractionController *)printInteractionController
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cutLengthForPaper:(UIPrintPaper *)paper
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{
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double length = [self.settings[@"paperCutLength"] doubleValue];
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CGFloat height = paper.paperSize.height;
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if (length)
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{
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height = 72 * length / 25.4; //convert milimeters to dots
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}
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return height;
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}
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#pragma mark -
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#pragma mark Core
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/**
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* Checks either the printing service is avaible or not.
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*
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* @return {BOOL}
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*/
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- (BOOL) isPrintingAvailable
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{
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@ -155,124 +190,119 @@
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}
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/**
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* Opens the print controller so that the user can choose between
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* available iPrinters.
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* Sends the content directly to the specified or previously selected printer.
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*
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* @param {UIPrintInteractionController} controller
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* The prepared print controller with a content
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*/
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- (void) presentPrintController:(UIPrintInteractionController*)controller
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fromRect:(CGRect)rect
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{
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if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
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[controller presentFromRect:rect inView:self.webView animated:YES completionHandler:
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^(UIPrintInteractionController *ctrl, BOOL ok, NSError *e) {
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CDVPluginResult* pluginResult =
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[CDVPluginResult resultWithStatus:CDVCommandStatus_OK
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messageAsBool:ok];
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[self.commandDelegate sendPluginResult:pluginResult
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callbackId:_callbackId];
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}];
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}
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else {
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[controller presentAnimated:YES completionHandler:
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^(UIPrintInteractionController *ctrl, BOOL ok, NSError *e) {
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CDVPluginResult* pluginResult =
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[CDVPluginResult resultWithStatus:CDVCommandStatus_OK
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messageAsBool:ok];
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[self.commandDelegate sendPluginResult:pluginResult
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callbackId:_callbackId];
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}];
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}
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}
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/**
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* Sends the content directly to the specified printer.
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* @param controller The prepared print controller with the content.
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* @param printer The printer specified by its URL.
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*
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* @param controller
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* The prepared print controller with the content
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* @param printer
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* The printer specified by its URL
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* @return [ Void ]
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*/
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- (void) sendToPrinter:(UIPrintInteractionController*)controller
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printer:(NSString*)printerId
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printer:(NSString*)printerID
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{
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NSURL* url = [NSURL URLWithString:printerId];
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NSURL* printerURL = [NSURL URLWithString:printerID];
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// check to see if we have previously created this printer to reduce printing/"contacting" time
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if(self.previousPrinter == nil || ![[[self.previousPrinter URL] absoluteString] isEqualToString: printerId]) {
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self.previousPrinter = [UIPrinter printerWithURL:url];
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if (!_previousPrinter || ![_previousPrinter.URL.absoluteString isEqualToString:printerID])
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{
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_previousPrinter = [UIPrinter printerWithURL:printerURL];
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}
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UIPrinter* printer = self.previousPrinter;
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[controller printToPrinter:printer completionHandler:
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[controller printToPrinter:_previousPrinter completionHandler:
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^(UIPrintInteractionController *ctrl, BOOL ok, NSError *e) {
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CDVPluginResult* pluginResult =
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CDVPluginResult* result =
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[CDVPluginResult resultWithStatus:CDVCommandStatus_OK
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messageAsBool:ok];
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[self.commandDelegate sendPluginResult:pluginResult
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callbackId:_callbackId];
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[self.commandDelegate sendPluginResult:result
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callbackId:self->_callbackId];
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}];
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}
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/**
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* Displays system interface for selecting a printer
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* Opens the print controller so that the user can choose between
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* available iPrinters.
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*
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* @param rect
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* Rect object of where to display the interface
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* @param controller The prepared print preview controller.
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* @param rect The coordinates where to present the preview.
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*
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* @return [ Void ]
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*/
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- (void) presentPrintController:(UIPrintInteractionController*)controller
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fromRect:(CGRect)rect
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{
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UIPrintInteractionCompletionHandler handler =
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^(UIPrintInteractionController *ctrl, BOOL ok, NSError *e) {
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CDVPluginResult* result =
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[CDVPluginResult resultWithStatus:CDVCommandStatus_OK
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messageAsBool:ok];
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[self.commandDelegate sendPluginResult:result
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callbackId:self.callbackId];
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};
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if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
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[controller presentFromRect:rect
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inView:self.webView
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animated:YES
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completionHandler:handler];
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} else {
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[controller presentAnimated:YES
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completionHandler:handler];
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}
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}
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/**
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* Displays system interface for selecting a printer.
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*
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* @param rect Defines where to display the interface on the screen.
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*
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* @return [ Void ]
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*/
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- (void) presentPrinterPicker:(CGRect)rect
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{
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UIPrinterPickerController* controller =
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[UIPrinterPickerController printerPickerControllerWithInitiallySelectedPrinter:nil];
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UIPrinterPickerCompletionHandler handler =
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^(UIPrinterPickerController *ctrl, BOOL selected, NSError *e) {
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[self returnPrinterPickerResult:ctrl];
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};
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if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
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[controller presentFromRect:rect inView:self.webView animated:YES completionHandler:
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^(UIPrinterPickerController *ctrl, BOOL userDidSelect, NSError *e) {
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[self returnPrinterPickerResult:ctrl
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withUserDidSelect:&userDidSelect];
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}];
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}
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else {
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[controller presentAnimated:YES completionHandler:
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^(UIPrinterPickerController *ctrl, BOOL userDidSelect, NSError *e) {
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[self returnPrinterPickerResult:ctrl
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withUserDidSelect:&userDidSelect];
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}];
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[controller presentFromRect:rect
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inView:self.webView
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animated:YES
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completionHandler:handler];
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} else {
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[controller presentAnimated:YES
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completionHandler:handler];
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}
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}
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/**
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* Calls the callback funtion with the result of the selected printer
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* Calls the callback funtion with the result of the selected printer.
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*
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* @param ctrl
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* The UIPrinterPickerController used to display the printer selector interface
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* @param userDidSelect
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* True if the user selected a printer
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* @param controller The UIPrinterPickerController used to display
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* the printer selector interface.
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*
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* @return [ Void ]
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*/
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- (void) returnPrinterPickerResult:(UIPrinterPickerController*)ctrl
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withUserDidSelect:(BOOL*)userDidSelect
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- (void) returnPrinterPickerResult:(UIPrinterPickerController*)controller
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{
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CDVPluginResult* pluginResult =
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[CDVPluginResult resultWithStatus:CDVCommandStatus_NO_RESULT];
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CDVPluginResult* result;
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UIPrinter* printer = controller.selectedPrinter;
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if (userDidSelect) {
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UIPrinter* printer = ctrl.selectedPrinter;
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[self rememberPrinter:printer];
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[UIPrinterPickerController
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printerPickerControllerWithInitiallySelectedPrinter:printer];
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pluginResult = [CDVPluginResult
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resultWithStatus:CDVCommandStatus_OK
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messageAsString:printer.URL.absoluteString];
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if (printer) {
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result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
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messageAsString:printer.URL.absoluteString];
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} else {
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result = [CDVPluginResult resultWithStatus:CDVCommandStatus_NO_RESULT];
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}
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[self.commandDelegate sendPluginResult:pluginResult
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[self.commandDelegate sendPluginResult:result
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callbackId:_callbackId];
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}
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@ -280,23 +310,25 @@
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#pragma mark Helper
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/**
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* Retrieves an instance of shared print controller.
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*
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* @return {UIPrintInteractionController*}
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* Returns the shared instance of the printer controller.
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*/
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- (UIPrintInteractionController*) printController
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{
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return [UIPrintInteractionController sharedPrintController];
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UIPrintInteractionController* controller = [UIPrintInteractionController
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sharedPrintController];
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controller.delegate = self;
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return controller;
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}
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/**
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* Adjusts the settings for the print controller.
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*
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* @param {UIPrintInteractionController} controller
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* The print controller instance
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* @param controller The print controller instance.
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* @param settings The print job specs.
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*
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* @return {UIPrintInteractionController} controller
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* The modified print controller instance
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* @return The modified print controller instance
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*/
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- (UIPrintInteractionController*) adjustPrintController:(UIPrintInteractionController*)controller
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withSettings:(NSMutableDictionary*)settings
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@ -306,133 +338,108 @@
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UIPrintInfoOutputType outputType = UIPrintInfoOutputGeneral;
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UIPrintInfoDuplex duplexMode = UIPrintInfoDuplexNone;
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if ([[settings objectForKey:@"landscape"] boolValue]) {
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if ([settings[@"landscape"] boolValue]) {
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orientation = UIPrintInfoOrientationLandscape;
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}
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if ([[settings objectForKey:@"graystyle"] boolValue]) {
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if ([settings[@"graystyle"] boolValue]) {
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outputType = UIPrintInfoOutputGrayscale;
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}
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outputType += [[settings objectForKey:@"border"] boolValue] ? 0 : 1;
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outputType += [settings[@"border"] boolValue] ? 0 : 1;
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if ([[settings objectForKey:@"duplex"] isEqualToString:@"long"]) {
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if ([settings[@"duplex"] isEqualToString:@"long"]) {
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duplexMode = UIPrintInfoDuplexLongEdge;
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} else
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if ([[settings objectForKey:@"duplex"] isEqualToString:@"short"]) {
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if ([settings[@"duplex"] isEqualToString:@"short"]) {
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duplexMode = UIPrintInfoDuplexShortEdge;
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}
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printInfo.outputType = outputType;
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printInfo.orientation = orientation;
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printInfo.duplex = duplexMode;
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printInfo.jobName = [settings objectForKey:@"name"];
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printInfo.jobName = settings[@"name"];
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controller.printInfo = printInfo;
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controller.showsPageRange = ![[settings objectForKey:@"hidePageRange"] boolValue];
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controller.showsNumberOfCopies = ![[settings objectForKey:@"hideNumberOfCopies"] boolValue];
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controller.showsPaperSelectionForLoadedPapers = ![[settings objectForKey:@"hidePaperFormat"] boolValue];
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controller.showsNumberOfCopies = ![settings[@"hideNumberOfCopies"] boolValue];
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controller.showsPaperSelectionForLoadedPapers = ![settings[@"hidePaperFormat"] boolValue];
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return controller;
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}
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/**
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* Choose paper Delegate. If Paper-Size is given it selects the best fitting papersize
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*/
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- (UIPrintPaper *) printInteractionController:(UIPrintInteractionController *)printInteractionController choosePaper:(NSArray *)paperList {
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if ([[self.settings objectForKey:@"paperHeight"] doubleValue] && [[self.settings objectForKey:@"paperHeight"] doubleValue]){
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double heigth = [[self.settings objectForKey:@"paperHeight"] doubleValue];
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double width = [[self.settings objectForKey:@"paperWidth"] doubleValue];
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double dotsHeigth = 72*heigth / 25.4; //convert milimeters to dots
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double dotsWidth = 72*width / 25.4; //convert milimeters to dots
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CGSize pageSize = CGSizeMake(dotsHeigth, dotsWidth);
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// get best fitting paper size
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UIPrintPaper* paper = [UIPrintPaper bestPaperForPageSize:pageSize withPapersFromArray:paperList];
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return paper;
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}
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else {
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return NULL;
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}
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}
|
||||
|
||||
/**
|
||||
* cutPaper Delegate. If using roll printers like Label-Printer (brother QL-710W) you can cut paper after given length.
|
||||
*/
|
||||
- (CGFloat)printInteractionController:(UIPrintInteractionController *)printInteractionController
|
||||
cutLengthForPaper:(UIPrintPaper *)paper {
|
||||
if ([[self.settings objectForKey:@"paperCutLength"] doubleValue]){
|
||||
double cutLength = [[self.settings objectForKey:@"paperCutLength"] doubleValue];
|
||||
return 72 * cutLength / 25.4; //convert milimeters to dots
|
||||
} else {
|
||||
return paper.paperSize.height;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Loads the content into the print controller.
|
||||
*
|
||||
* @param {NSString} content
|
||||
* The (HTML encoded) content
|
||||
* @param {UIPrintInteractionController} controller
|
||||
* The print controller instance
|
||||
* @param content The (HTML encoded) content
|
||||
* @param controller The print controller instance
|
||||
*
|
||||
* @return [ Void ]
|
||||
*/
|
||||
- (void) loadContent:(NSString*)content intoPrintController:(UIPrintInteractionController*)controller
|
||||
{
|
||||
UIPrintPageRenderer* renderer = [[UIPrintPageRenderer alloc] init];
|
||||
UIViewPrintFormatter* formatter;
|
||||
UIViewPrintFormatter* formatter = self.webView.viewPrintFormatter;
|
||||
bool printSelf = ![content isEqual:[NSNull null]] && content.length == 0;
|
||||
|
||||
if([content length] == 0) {
|
||||
formatter = [self.webView viewPrintFormatter];
|
||||
} else {
|
||||
if (!printSelf)
|
||||
{
|
||||
UIWebView* page = [[UIWebView alloc] init];
|
||||
formatter = [page viewPrintFormatter];
|
||||
formatter = page.viewPrintFormatter;
|
||||
|
||||
page.delegate = self;
|
||||
|
||||
if([content length] == 0) {
|
||||
// do nothing, already loaded
|
||||
} else if ([NSURL URLWithString:content]) {
|
||||
if ([NSURL URLWithString:content])
|
||||
{
|
||||
NSURL *url = [NSURL URLWithString:content];
|
||||
|
||||
[page loadRequest:[NSURLRequest requestWithURL:url]];
|
||||
} else {
|
||||
NSString* wwwFilePath = [[NSBundle mainBundle] pathForResource:@"www"
|
||||
ofType:nil];
|
||||
NSURL* baseURL = [NSURL fileURLWithPath:wwwFilePath];
|
||||
}
|
||||
else
|
||||
{
|
||||
NSString* path = [NSBundle.mainBundle pathForResource:@"www" ofType:nil];
|
||||
NSURL *url = [NSURL fileURLWithPath:path];
|
||||
|
||||
|
||||
[page loadHTMLString:content baseURL:baseURL];
|
||||
[page loadHTMLString:content baseURL:url];
|
||||
}
|
||||
}
|
||||
|
||||
[renderer addPrintFormatter:formatter startingAtPageAtIndex:0];
|
||||
controller.printPageRenderer = renderer;
|
||||
[controller setPrintPageRenderer:renderer];
|
||||
|
||||
// just trigger the finish load fn straight off if using current webView
|
||||
if([content length] == 0)
|
||||
if (printSelf) {
|
||||
// just trigger the finish load fn straight off if using current webView
|
||||
[self webViewDidFinishLoad:(UIWebView *)self.webView];
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tells the system to pre-select the given printer next time.
|
||||
*
|
||||
* @param printer The printer to remeber.
|
||||
*
|
||||
* @return [ Void ]
|
||||
*/
|
||||
- (void) rememberPrinter:(UIPrinter*)printer
|
||||
{
|
||||
if (!printer) return;
|
||||
[UIPrinterPickerController printerPickerControllerWithInitiallySelectedPrinter:printer];
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert Array into Rect object.
|
||||
*
|
||||
* @param bounds
|
||||
* The bounds
|
||||
* @param bounds The bounds
|
||||
*
|
||||
* @return
|
||||
* A converted Rect object
|
||||
* @return A converted Rect object
|
||||
*/
|
||||
- (CGRect) convertIntoRect:(NSArray*)bounds
|
||||
{
|
||||
return CGRectMake([[bounds objectAtIndex:0] floatValue],
|
||||
[[bounds objectAtIndex:1] floatValue],
|
||||
[[bounds objectAtIndex:2] floatValue],
|
||||
[[bounds objectAtIndex:3] floatValue]);
|
||||
return CGRectMake([bounds[0] floatValue],
|
||||
[bounds[1] floatValue],
|
||||
[bounds[2] floatValue],
|
||||
[bounds[3] floatValue]);
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
|
||||
|
||||
@ -35,7 +35,6 @@ exports.getDefaults = function () {
|
||||
graystyle: false,
|
||||
// iOS specific
|
||||
border: true,
|
||||
hidePageRange: false,
|
||||
hideNumberOfCopies: false,
|
||||
hidePaperFormat: false,
|
||||
// iPad specific
|
||||
|
||||
Loading…
Reference in New Issue
Block a user