Print-View positioning on iPad

CHANGELOG.md

@@ -2,6 +2,7 @@
 #### Version 0.7.1 (not yet released)
 - [bugfix:] `isAvailable` does not block the main thread anymore.
 - [bugfix:] iPad+iOS8 incompatibility (Thanks to __zmagyar__)
+- [enhancement:] Print-View positioning on iPad
 
 #### Version 0.7.0 (12.09.2014)
 - Android Printing Framework support

README.md

@@ -98,6 +98,7 @@ cordova plugin rm de.appplant.cordova.plugin.printer
 #### Version 0.7.1 (not yet released)
 - [bugfix:] `isAvailable` does not block the main thread anymore.
 - [bugfix:] iPad+iOS8 incompatibility (Thanks to __zmagyar__)
+- [enhancement:] Print-View positioning on iPad
 
 #### Version 0.7.0 (12.09.2014)
 - Android Printing Framework support
@@ -164,6 +165,7 @@ The method takes a string or a HTML DOM node. The string can contain HTML conten
 | duplex | Specifies the duplex mode to use for the print job.<br>Either double-sided (duplex:true) or single-sided (duplex:false).<br>Double-sided by default. | Boolean | iOS |
 | landscape| The orientation of the printed content, portrait or landscape.<br>_Portrait_ by default. | Boolean | all |
 | graystyle | If your application only prints black text, setting this property to _true_ can result in better performance in many cases.<br>_False_ by default. | Boolean | all |
+| bounds | The Size & position of the print view | Array | iPad |
 
 #### Further informations
 - See the [isAvailable][available] method to find out if printing is available on the device.
@@ -236,6 +238,14 @@ cordova.plugins.printer.print('123', { name:'Document.html', landscape:true }, f
 });
 ```
 
+#### 6. Custom size and position on iPad
+```javascript
+// Option one
+cordova.plugins.printer.print('123', { bounds:[40, 30, 0, 0] });
+// Option two
+cordova.plugins.printer.print('123', { bounds:{ left:40, top:30, width:0 height: 0} });
+```
+
 
 ## Quirks
 

src/ios/APPPrinter.m

@@ -71,9 +71,11 @@
 
     UIPrintInteractionController* controller = [self printController];
 
+    CGRect rect = [self convertIntoRect:[settings objectForKey:@"bounds"]];
+
     [self adjustPrintController:controller withSettings:settings];
     [self loadContent:content intoPrintController:controller];
-    [self presentPrintController:controller];
+    [self presentPrintController:controller fromRect:rect];
 }
 
 /**
@@ -184,10 +186,9 @@
  *      The prepared print controller with a content
  */
 - (void) presentPrintController:(UIPrintInteractionController*)controller
+                       fromRect:(CGRect)rect
 {
     if(CDV_IsIPad()) {
-        CGRect rect = CGRectMake(40, 30, 0, 0);
-
         [controller presentFromRect:rect inView:self.webView animated:YES completionHandler:
          ^(UIPrintInteractionController *ctrl, BOOL ok, NSError *e) {
              CDVPluginResult* pluginResult =
@@ -209,6 +210,23 @@
     }
 }
 
+/**
+ * Convert Array into Rect object.
+ *
+ * @param bounds
+ *      The bounds
+ *
+ * @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]);
+}
+
 /**
  * Checks either the printing service is avaible or not.
  *

www/printer.js

@@ -26,6 +26,20 @@ var exec = require('cordova/exec');
  */
 exports.DEFAULT_DOC_NAME = 'unknown';
 
+/**
+ * List of all available options with their default value.
+ *
+ * @return {Object}
+ */
+exports.getDefaults = function () {
+    return {
+        name:      exports.DEFAULT_DOC_NAME,
+        duplex:    true,
+        landscape: false,
+        bounds:    [40, 30, 0, 0]
+    };
+};
+
 /**
  * Checks if the printer service is avaible (iOS)
  * or if connected to the Internet (Android).
@@ -69,12 +83,52 @@ exports.print = function (content, options, callback, scope) {
     if (typeof params == 'string')
         params = { name: params };
 
+    params = this.mergeWithDefaults(params);
+
     if ([null, undefined, ''].indexOf(params.name) > -1)
         params.name = this.DEFAULT_DOC_NAME;
 
     exec(fn, null, 'Printer', 'print', [page, params]);
 };
 
+/**
+ * @private
+ *
+ * Merge settings with default values.
+ *
+ * @param {Object} options
+ *      The custom options
+ *
+ * @retrun {Object}
+ *      Default values merged
+ *      with custom values
+ */
+exports.mergeWithDefaults = function (options) {
+    var defaults = this.getDefaults();
+
+    if (options.bounds && !options.bounds.length) {
+        options.bounds = [
+            options.bounds.left   || defaults.bounds[0],
+            options.bounds.top    || defaults.bounds[1],
+            options.bounds.width  || defaults.bounds[2],
+            options.bounds.height || defaults.bounds[3],
+        ];
+    }
+
+    for (var key in defaults) {
+        if (!options.hasOwnProperty(key)) {
+            options[key] = defaults[key];
+            continue;
+        }
+
+        if (typeof options[key] != typeof defaults[key]) {
+            delete options[key];
+        }
+    }
+
+    return options;
+};
+
 /**
  * @private
  *
@@ -95,4 +149,4 @@ exports._createCallbackFn = function (callbackFn, scope) {
     return function () {
         callbackFn.apply(scope || this, arguments);
     };
-};
+};