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https://github.com/xcp-ng/xenadmin.git
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8230315f76
Created a new base class for the Notifications pages (Alerts, Updates, Events). This can be used in the future to host more of the common code between these pages. For now, it implements a common mechanism for showing/hiding the page and ensures that the event handlers are deregistered when the page is hidden (i.e. when the user switches to a different view) and registered again when the page becomes visible Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System.Windows.Forms;
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namespace XenAdmin.TabPages
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{
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public class NotificationsBasePage: UserControl
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{
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protected virtual void RefreshPage()
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{ }
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protected virtual void RegisterEventHandlers()
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{ }
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protected virtual void DeregisterEventHandlers()
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{ }
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public void ShowPage()
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{
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Visible = true;
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RefreshPage();
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RegisterEventHandlers();
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}
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public void HidePage()
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{
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Visible = false;
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DeregisterEventHandlers();
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}
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}
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} |