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MINOR Disable 'preview' button if not applicable

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This commit is contained in:
Ingo Schommer 2012-01-03 14:42:26 +01:00
parent a24675c6be
commit c0c073e03f
1 changed files with 17 additions and 6 deletions
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23
admin/javascript/LeftAndMain.Preview.js
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@ -44,6 +44,8 @@
});
var updateAfterXhr = function() {
$('.cms-preview-toggle-link')[self.canPreview() ? 'show' : 'hide']();
// Only load when panel is visible (see details in iframe load event handler).
if(self.is('.is-collapsed')) return;
@ -80,6 +82,7 @@
// Preview might not be available in all admin interfaces - block/disable when necessary
this.append('<div class="cms-preview-overlay ui-widget-overlay-light"></div>');
this.find('.cms-preview-overlay-light').hide();
$('.cms-preview-toggle-link')[this.canPreview() ? 'show' : 'hide']();
self._fixIframeLinks();
@ -95,13 +98,9 @@
* based on metadata sent along with this document.
*/
loadCurrentPage: function() {
var doc = this.find('iframe')[0].contentDocument,
containerEl = this.getLayoutContainer(),
contentEl = containerEl.find('.cms-content');
var doc = this.find('iframe')[0].contentDocument, containerEl = this.getLayoutContainer();
// Only load if we're in the "edit page" view
var blockedClasses = ['CMSPagesController', 'CMSSettingsController', 'CMSPageHistoryController'];
if(contentEl.is('.' + blockedClasses.join(',.'))) return;
if(!this.canPreview()) return;
// Load this page in the admin interface if appropriate
var id = $(doc).find('meta[name=x-page-id]').attr('content');
@ -115,6 +114,18 @@
$('.cms-container').loadPanel(editLink);
}
},
/**
* Determines if the current interface is capable of previewing its managed record.
*
* Returns: {boolean}
*/
canPreview: function() {
var contentEl = this.getLayoutContainer().find('.cms-content');
// Only load if we're in the "edit page" view
var blockedClasses = ['CMSPagesController', 'CMSSettingsController', 'CMSPageHistoryController'];
return !(contentEl.is('.' + blockedClasses.join(',.')));
},
_fixIframeLinks: function() {
var doc = this.find('iframe')[0].contentDocument;