Rename File controller to TaskFile

app/Template/task_file/new.php

@@ -0,0 +1,33 @@
+<div class="page-header">
+    <h2><?= t('Attach a document') ?></h2>
+</div>
+<div id="file-done" style="display:none">
+    <p class="alert alert-success">
+        <?= t('All files have been uploaded successfully.') ?>
+        <?= $this->url->link(t('View uploaded files'), 'task', 'show', array('task_id' => $task['id'], 'project_id' => $task['project_id'])) ?>
+    </p>
+</div>
+
+<div id="file-error-max-size" style="display:none">
+    <p class="alert alert-error">
+        <?= t('The maximum allowed file size is %sB.', $this->text->bytes($max_size)) ?>
+        <a href="#" id="file-browser"><?= t('Choose files again') ?></a>
+    </p>
+</div>
+
+<div
+    id="file-dropzone"
+    data-max-size="<?= $max_size ?>"
+    data-url="<?= $this->url->href('TaskFile', 'save', array('task_id' => $task['id'], 'project_id' => $task['project_id'])) ?>">
+    <div id="file-dropzone-inner">
+        <?= t('Drag and drop your files here') ?> <?= t('or') ?> <a href="#" id="file-browser"><?= t('choose files') ?></a>
+    </div>
+</div>
+
+<input type="file" name="files[]" multiple style="display:none" id="file-form-element">
+
+<div class="form-actions">
+    <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue" id="file-upload-button" disabled>
+    <?= t('or') ?>
+    <?= $this->url->link(t('cancel'), 'task', 'show', array('task_id' => $task['id'], 'project_id' => $task['project_id']), false, 'close-popover') ?>
+</div>