/// <summary>
/// Handles the NavigationAction event of the navigation addon.
/// </summary>
void OnNavigationAction(object sender, NavigationActionEventArgs args)
{
try
{
Logger.LogTrace("MainForm handling OnNavigationAction ...");
Application.UseWaitCursor = true;
this.SuspendLayoutEx();
bool isVoidAction = false;
bool isPreviewAction = false;
ActionRequest request = new ActionRequest();
ActionResponse response = null;
Logger.LogTrace("Action is of type: " + args.ActionType.ToString());
pnlPreview.SuspendLayoutEx();
pnlProperties.SuspendLayoutEx();
lblNoPreview.Text = Translator.Translate("TXT_THEREARENOITEMS");
prepareAutoPreview =
(args.ActionType == NavActionType.ActionPrepareAutoPreview &&
args.ActionType != NavActionType.ActionCancelAutoPreview);
switch (args.ActionType)
{
case NavActionType.ActionSaveProperties:
// It is a save property request.
request.ActionType = ActionManagement.ActionType.ActionSaveProperties;
request.Items = args.Paths; // don't matter any way
break;
case NavActionType.ActionSelectDirectory:
case NavActionType.ActionSelectFile:
case NavActionType.ActionSelectMultipleItems:
// It is a property request.
request.ActionType = ActionManagement.ActionType.ActionBeginEdit;
request.Items = args.Paths;
break;
case NavActionType.ActionDoubleClickFile:
// It is a regular preview request.
request.ActionType = ActionManagement.ActionType.ActionBeginPreview;
request.Items = args.Paths;
isPreviewAction = true;
break;
case NavActionType.ActionNotifyNonPreviewableItem:
lblNoPreview.Text = Translator.Translate("TXT_NOTIFY_NON_PREVIEW");
isPreviewAction = true;
break;
case NavActionType.ActionNotifyPreviewableItem:
lblNoPreview.Text = Translator.Translate("TXT_NOTIFY_PREVIEW");
isPreviewAction = true;
break;
case NavActionType.ActionPrepareAutoPreview:
lblNoPreview.Text = Translator.Translate("TXT_PREPARE_PREVIEW");
prepareAutoPreview = true;
isPreviewAction = true;
break;
case NavActionType.ActionCancelAutoPreview:
if (args.AdditionalData == null && prepareAutoPreview)
{
lblNoPreview.Text = Translator.Translate("TXT_PREVIEW_CANCELED");
}
else
{
lblNoPreview.Text = Translator.Translate("TXT_NOTIFY_PREVIEW");
}
isPreviewAction = true;
break;
case NavActionType.ActionReloadNavigation:
{
// Don't reselct addons, send command to the ones already selected.
isVoidAction = true;
NavBaseCtl ctl = GetNavigationControl();
if (ctl != null)
{
ctl.Reload(args.AdditionalData);
}
}
break;
case NavActionType.ActionReloadPreview:
{
// Don't reselct addons, send command to the ones already selected.
isVoidAction = true;
PreviewBaseCtl ctl = GetPreviewControl();
if (ctl != null)
{
ctl.Reload(args.AdditionalData);
}
}
break;
case NavActionType.ActionReloadProperties:
{
// Don't reselct addons, send command to the ones already selected.
isVoidAction = true;
PropBaseCtl ctl = GetPropertiesControl();
if (ctl != null)
{
ctl.Reload(args.AdditionalData);
}
}
break;
case NavActionType.ActionDoubleClickDirectory:
default:
// No actions currently taken in this situation.
isVoidAction = true;
break;
}
if (!isVoidAction)
{
response = AddonsCore.Instance.DispatchAction(request);
bool failed = ActionResponse.IsFailedAction(response);
if (isPreviewAction)
{
PreviewBaseCtl previewCtl = GetPreviewControl();
if (previewCtl != null)
{
previewCtl.EndPreview();
previewCtl.NavigationAction -=
new BaseAddonCtl.NavigationActionEventHandler(OnNavigationAction);
}
if (failed)
{
Logger.LogTrace("Preview action has failed.");
if (!pnlPreview.Controls.Contains(lblNoPreview))
{
pnlPreview.Controls.Clear();
pnlPreview.Controls.Add(lblNoPreview);
}
}
else
{
// Note that only a single item can be previewed.
PreviewAddon addon = response.TargetAddon as PreviewAddon;
if (!pnlPreview.Controls.Contains(addon.AddonPanel))
{
pnlPreview.Controls.Clear();
addon.AddonPanel.Dock = DockStyle.Fill;
addon.AddonPanel.Location = new System.Drawing.Point(10, 10);
addon.AddonPanel.TabIndex = 0;
pnlPreview.Controls.Add(addon.AddonPanel);
}
previewCtl = GetPreviewControl();
if (previewCtl != null)
{
previewCtl.NavigationAction +=
new BaseAddonCtl.NavigationActionEventHandler(OnNavigationAction);
previewCtl.BeginPreview(args.Paths[0], args.AdditionalData);
}
}
}
else
{
PropBaseCtl propCtl = GetPropertiesControl();
if (propCtl != null)
{
propCtl.NavigationAction -=
new BaseAddonCtl.NavigationActionEventHandler(OnNavigationAction);
}
if (failed)
{
Logger.LogTrace("View Properties Action has failed.");
pnlProperties.Controls.Clear();
pnlProperties.Controls.Add(lblNoProperties);
}
else
{
PropertyAddon addon = response.TargetAddon as PropertyAddon;
if (!pnlProperties.Controls.Contains(addon.AddonPanel))
{
pnlProperties.Controls.Clear();
addon.AddonPanel.Dock = DockStyle.Fill;
pnlProperties.Controls.Add(addon.AddonPanel);
}
propCtl = GetPropertiesControl();
if (propCtl != null)
{
propCtl.NavigationAction +=
new BaseAddonCtl.NavigationActionEventHandler(OnNavigationAction);
propCtl.BeginEdit(args.Paths, args.AdditionalData);
}
}
}
}
}
catch (Exception ex)
{
ErrorDispatcher.DispatchError(ex, false);
}
finally
{
pnlPreview.ResumeLayoutEx();
pnlProperties.ResumeLayoutEx();
this.ResumeLayoutEx();
Application.UseWaitCursor = false;
Logger.LogTrace("MainForm handled OnNavigationAction.");
}
}