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ENHANCEMENT: Files and images section warns if you are deleting a file that is linked to

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/branches/2.4@96778 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2010-01-12 23:50:39 +00:00
parent 879ddce994
commit b14404922d
2 changed files with 58 additions and 2 deletions
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57
javascript/AssetTableField.js
View File

@ -18,6 +18,13 @@ AssetTableField.prototype = {
}
}
});
var rules = {};
// Assume that the delete link uses the deleteRecord method
rules['#'+this.id+' table.data a.deletelink'] = {onclick: this.deleteRecord.bind(this)};
Behaviour.register('ComplexTableField_'+this.id,rules);
},
// prevent submission of wrong form-button (FileFilterButton)
@ -32,6 +39,54 @@ AssetTableField.prototype = {
Event.stop(event);
return false;
}
},
// Override deleteRecord function, so that we can give warning if there are
// links to this file. This is mostly a copy paste from TableField.js
deleteRecord: function(e) {
var img = Event.element(e);
var link = Event.findElement(e,"a");
var row = Event.findElement(e,"tr");
var linkCount = row.getElementsByClassName('linkCount')[0];
if(linkCount) linkCount = linkCount.innerHTML;
var confirmMessage = ss.i18n._t('TABLEFIELD.DELETECONFIRMMESSAGE', 'Are you sure you want to delete this record?');
if(linkCount) confirmMessage += '\nThere are ' + linkCount + ' page(s) that use this file, please review the list of pages on the Links tab of the file before continuing.';
// TODO ajaxErrorHandler and loading-image are dependent on cms, but formfield is in sapphire
var confirmed = confirm(confirmMessage);
if(confirmed)
{
img.setAttribute("src",'cms/images/network-save.gif'); // TODO doesn't work
new Ajax.Request(
link.getAttribute("href"),
{
method: 'post',
postBody: 'forceajax=1' + ($('SecurityID') ? '&SecurityID=' + $('SecurityID').value : ''),
onComplete: function(){
Effect.Fade(
row,
{
afterFinish: function(obj) {
// remove row from DOM
obj.element.parentNode.removeChild(obj.element);
// recalculate summary if needed (assumes that TableListField.js is present)
// TODO Proper inheritance
if(this._summarise) this._summarise();
// custom callback
if(this.callback_deleteRecord) this.callback_deleteRecord(e);
}.bind(this)
}
);
}.bind(this),
onFailure: this.ajaxErrorHandler
}
);
}
Event.stop(e);
}
}
@ -94,4 +149,4 @@ FileFilterButton.prototype = {
return false;
}
}
}

3
templates/Includes/AssetTableField.ss
View File

@ -21,6 +21,7 @@
<tr id="record-$Parent.Name-$ID">
<td class="dragfile" id="drag-$Parent.Name-$ID">
<img id="drag-img-$Parent.Name-$ID" alt="Drag" title="<% _t('DRAGTOFOLDER','Drag to folder on left to move file') %>" src="sapphire/images/drag.gif" />
<span class="linkCount" style="display: none;">$BackLinkTrackingCount</span>
</div>
<% if Markable %><td class="markingcheckbox">$MarkingCheckbox</td><% end_if %>
<% control Fields %>
@ -55,4 +56,4 @@
<% end_if %>
</tbody>
</table>
</div>
</div>