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Bug #233944 --> Avoid dynamic resizing of the message headers in the message pane

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by allowing a customer to set a minimum number of header rows.
This commit is contained in:
scott%scott-macgregor.org 2004-02-12 17:58:58 +00:00
parent ebff2324ae
commit cf570596b6
1 changed files with 60 additions and 1 deletions
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61
mail/base/content/msgHdrViewOverlay.js
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@ -42,6 +42,8 @@ var gNumAddressesToShow = 3;
var gShowOrganization = false;
var gShowLargeAttachmentView = false;
var gShowUserAgent = false;
var gMinNumberOfHeaders = 0;
var gDummyHeaderIdIndex = 0;
var gCollectIncoming = false;
var gCollectOutgoing = false;
var gCollectNewsgroup = false;
@ -211,6 +213,7 @@ function OnLoadMsgHeaderPane()
gCollectNewsgroup = pref.getBoolPref("mail.collect_email_address_newsgroup");
gCollectOutgoing = pref.getBoolPref("mail.collect_email_address_outgoing");
gShowUserAgent = pref.getBoolPref("mailnews.headers.showUserAgent");
gMinNumberOfHeaders = pref.getIntPref("mailnews.headers.minNumHeaders");
gShowOrganization = pref.getBoolPref("mailnews.headers.showOrganization");
gShowLargeAttachmentView = pref.getBoolPref("mailnews.attachments.display.largeView");
initializeHeaderViewTables();
@ -462,6 +465,49 @@ function showHeaderView(headerTable)
}
}
// enumerate through the list of headers and find the number that are visible
// add empty entries if we don't have the minimum number of rows
function EnsureMinimumNumberOfHeaders (headerTable)
{
if (!gMinNumberOfHeaders) // 0 means we don't have a minimum..do nothing special
return;
var numVisibleHeaders = 0;
for (index in headerTable)
{
if (headerTable[index].valid)
numVisibleHeaders ++;
}
if (numVisibleHeaders < gMinNumberOfHeaders)
{
// how many empty headers do we need to add?
var numEmptyHeaders = gMinNumberOfHeaders - numVisibleHeaders;
// we may have already dynamically created our empty rows and we just need to make them visible
for (index in headerTable)
{
if (index.indexOf("Dummy-Header") == 0 && numEmptyHeaders)
{
headerTable[index].valid = true;
numEmptyHeaders--;
}
}
// ok, now if we have any extra dummy headers we need to add, create a new header widget for them
while (numEmptyHeaders)
{
var dummyHeaderId = "Dummy-Header" + gDummyHeaderIdIndex;
gExpandedHeaderView[dummyHeaderId] = new createNewHeaderView(dummyHeaderId);
gExpandedHeaderView[dummyHeaderId].valid = true;
gDummyHeaderIdIndex++;
numEmptyHeaders--;
}
}
}
// make sure the appropriate fields within the currently displayed view header mode
// are collapsed or visible...
function updateHeaderViews()
@ -469,7 +515,11 @@ function updateHeaderViews()
if (gCollapsedHeaderViewMode)
showHeaderView(gCollapsedHeaderView);
else
{
if (gMinNumberOfHeaders)
EnsureMinimumNumberOfHeaders(gExpandedHeaderView);
showHeaderView(gExpandedHeaderView);
}
displayAttachmentsForExpandedView();
}
@ -527,9 +577,18 @@ function createNewHeaderView(headerName)
var idName = 'expanded' + headerName + 'Box';
var newHeader = document.createElement("mail-headerfield");
newHeader.setAttribute('id', idName);
if (headerName.indexOf("Dummy-Header") == 0) // -1 means not found, 0 means starts at the beginning
{
newHeader.setAttribute('label', "");
}
else
{
newHeader.setAttribute('label', currentHeaderData[headerName].headerName + ':');
// all mail-headerfield elements are keyword related
newHeader.setAttribute('keywordrelated','true');
}
newHeader.collapsed = true;
// this new element needs to be inserted into the view...
@ -537,7 +596,7 @@ function createNewHeaderView(headerName)
topViewNode.appendChild(newHeader);
this.enclosingBox = newHeader
this.enclosingBox = newHeader;
this.isValid = false;
this.useToggle = false;
this.useShortView = false;