Javascript issue on /artefact/blog/view/

Version: 1.5, 1.6, master

There are more Javascript issues on this page http://192.168.2.47/artefact/blog/view/:
 - No pagination
 - No confirmation box when click 'Delete' button

Hi Kristina;

> When editing an existing post, when you click add file, then click select on a file, it is automatically added to the post before you click save.

As the limit of non javascript interaction, the form will be submitted every time a button is clicked. In this case, when you click the button 'Select', the form will be submitted and the file will be placed in the selected list of the post. Therefore you don't need to click the button "Save" again.
We can overcome this problem by temporary storing the list of selected files in the database, however, it will require lots of changes and will affect the site performance. In my opinion, it is not worth to do.

https://reviews.mahara.org/1884

Test cases:

1. When the number of journal's entries is greater than 5, pagination links should appear
2. When deleting a journal or an entry, a confirmation form should appear
3. When editing an entry (/artefact/blog/post.php)
 + 'Add a file' and 'Close' buttons should open/close the filebrowser for attachment field.
 + Hide 'Remove' button if a file has been selected
 + The filebrowser should still open after clicking 'Remove' button or the folder links
 + 'Upload' button should work
4. 'Save entry' button should save the changes in fields except for 'Attachment' and redirect to /artefact/blog/view/index.php

New updated

When editing an entry (/artefact/blog/post.php), a list of tags should be displayed.

Test case note:

To access the page /artefact/blog/view/
1. Login as an user
2. On the main menu, click Content/Journal
3. If you dont have a entry, create one by clicking 'New entry'

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