MOBILE-2693 data: Allow changing fields to a blank value

src/addon/mod/data/fields/checkbox/providers/handler.ts

@@ -80,16 +80,12 @@ export class AddonModDataFieldCheckboxHandler implements AddonModDataFieldHandle
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
         const fieldName = 'f_' + field.id;
 
-        if (inputData[fieldName] && inputData[fieldName].length > 0) {
         return [{
             fieldid: field.id,
-                value: inputData[fieldName]
+            value: inputData[fieldName] || []
         }];
     }
 
-        return false;
-    }
-
     /**
      * Get field data in changed.
      *

src/addon/mod/data/fields/file/providers/handler.ts

@@ -72,7 +72,6 @@ export class AddonModDataFieldFileHandler implements AddonModDataFieldHandler {
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
         const files = this.getFieldEditFiles(field);
 
-        if (files.length) {
         return [{
             fieldid: field.id,
             subfield: 'file',
@@ -80,9 +79,6 @@ export class AddonModDataFieldFileHandler implements AddonModDataFieldHandler {
         }];
     }
 
-        return false;
-    }
-
     /**
      * Get field edit files in the input data.
      *

src/addon/mod/data/fields/latlong/providers/handler.ts

@@ -66,26 +66,20 @@ export class AddonModDataFieldLatlongHandler implements AddonModDataFieldHandler
      * @return {any}            With name and value of the data to be sent.
      */
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
-        const fieldName = 'f_' + field.id,
+        const fieldName = 'f_' + field.id;
-            values = [];
 
-        if (inputData[fieldName + '_0']) {
+        return [
-            values.push({
+            {
                 fieldid: field.id,
                 subfield: '0',
-                value: inputData[fieldName + '_0']
+                value: inputData[fieldName + '_0'] || ''
-            });
+            },
-        }
+            {
-
-        if (inputData[fieldName + '_1']) {
-            values.push({
                 fieldid: field.id,
                 subfield: '1',
-                value: inputData[fieldName + '_1']
+                value: inputData[fieldName + '_1'] || ''
-            });
             }
-
+        ];
-        return values;
     }
 
     /**

src/addon/mod/data/fields/multimenu/providers/handler.ts

@@ -80,16 +80,12 @@ export class AddonModDataFieldMultimenuHandler implements AddonModDataFieldHandl
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
         const fieldName = 'f_' + field.id;
 
-        if (inputData[fieldName] && inputData[fieldName].length > 0) {
         return [{
             fieldid: field.id,
-                value: inputData[fieldName]
+            value: inputData[fieldName] || []
         }];
     }
 
-        return false;
-    }
-
     /**
      * Get field data in changed.
      *

src/addon/mod/data/fields/picture/providers/handler.ts

@@ -70,27 +70,21 @@ export class AddonModDataFieldPictureHandler implements AddonModDataFieldHandler
      * @return {any}            With name and value of the data to be sent.
      */
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
-        const files = this.getFieldEditFiles(field),
+        const files = this.getFieldEditFiles(field);
-            values = [],
+        const fieldName = 'f_' + field.id + '_alttext';
-            fieldName = 'f_' + field.id + '_alttext';
 
-        if (files.length) {
+        return [
-            values.push({
+            {
                 fieldid: field.id,
                 subfield: 'file',
                 files: files
-            });
+            },
-        }
+            {
-
-        if (inputData[fieldName]) {
-            values.push({
                 fieldid: field.id,
                 subfield: 'alttext',
                 value: inputData[fieldName]
-            });
             }
-
+        ];
-        return values;
     }
 
     /**

src/addon/mod/data/fields/radiobutton/providers/handler.ts

@@ -67,16 +67,12 @@ export class AddonModDataFieldRadiobuttonHandler implements AddonModDataFieldHan
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
         const fieldName = 'f_' + field.id;
 
-        if (inputData[fieldName]) {
         return [{
             fieldid: field.id,
-                value: inputData[fieldName]
+            value: inputData[fieldName] || ''
         }];
     }
 
-        return false;
-    }
-
     /**
      * Get field data in changed.
      *

src/addon/mod/data/fields/text/providers/handler.ts

@@ -68,16 +68,12 @@ export class AddonModDataFieldTextHandler implements AddonModDataFieldHandler {
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
         const fieldName = 'f_' + field.id;
 
-        if (inputData[fieldName]) {
         return [{
             fieldid: field.id,
-                value: inputData[fieldName]
+            value: inputData[fieldName] || ''
         }];
     }
 
-        return false;
-    }
-
     /**
      * Get field data in changed.
      *

src/addon/mod/data/fields/textarea/providers/handler.ts

@@ -50,15 +50,13 @@ export class AddonModDataFieldTextareaHandler extends AddonModDataFieldTextHandl
      */
     getFieldEditData(field: any, inputData: any, originalFieldData: any): any {
         const fieldName = 'f_' + field.id;
-
-        if (inputData[fieldName]) {
         const files = this.getFieldEditFiles(field, inputData, originalFieldData);
-            let text = this.textUtils.restorePluginfileUrls(inputData[fieldName], files);
+        let text = this.textUtils.restorePluginfileUrls(inputData[fieldName] || '', files);
-
         // Add some HTML to the text if needed.
         text = this.textUtils.formatHtmlLines(text);
 
-            return [{
+        return [
+            {
                 fieldid: field.id,
                 value: text
             },
@@ -75,9 +73,6 @@ export class AddonModDataFieldTextareaHandler extends AddonModDataFieldTextHandl
         ];
     }
 
-        return false;
-    }
-
     /**
      * Get field edit files in the input data.
      *