pjs/toolkit/content/widgets/tree.xml

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XML

<?xml version="1.0"?>
<!DOCTYPE bindings SYSTEM "chrome://global/locale/tree.dtd">
<bindings id="treeBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns:xbl="http://www.mozilla.org/xbl">
<binding id="tree-base" extends="chrome://global/content/bindings/general.xml#basecontrol">
<resources>
<stylesheet src="chrome://global/skin/tree.css"/>
</resources>
<implementation>
<method name="_isAccelPressed">
<parameter name="aEvent"/>
<body><![CDATA[
# Workaround until bug 302174 is fixed
#ifdef XP_MACOSX
return aEvent.metaKey;
#else
return aEvent.ctrlKey;
#endif
]]></body>
</method>
</implementation>
</binding>
<binding id="tree" extends="chrome://global/content/bindings/tree.xml#tree-base">
<content hidevscroll="true" hidehscroll="true">
<children includes="treecols"/>
<xul:treerows class="tree-rows" flex="1" xbl:inherits="hidevscroll">
<children/>
</xul:treerows>
<xul:hbox xbl:inherits="collapsed=hidehscroll">
<xul:scrollbar orient="horizontal" flex="1" increment="16"/>
<xul:scrollcorner xbl:inherits="collapsed=hidevscroll"/>
</xul:hbox>
</content>
<implementation implements="nsIDOMXULTreeElement, nsIDOMXULMultiSelectControlElement, nsIAccessibleProvider">
<!-- ///////////////// nsIDOMXULTreeElement ///////////////// -->
<property name="columns"
onget="return this.treeBoxObject.columns;"/>
<property name="view"
onget="return this.treeBoxObject.view;"
onset="return this.treeBoxObject.view = val;"/>
<property name="body"
onget="return this.treeBoxObject.treeBody;"/>
<property name="editable"
onget="return this.hasAttribute('editable');"
onset="if (val) this.setAttribute('editable', 'true');
else this.removeAttribute('editable'); return val;"/>
<!-- ///////////////// nsIDOMXULSelectControlElement ///////////////// -->
<!-- ///////////////// nsIDOMXULMultiSelectControlElement ///////////////// -->
<property name="selType"
onget="return this.getAttribute('seltype')"
onset="this.setAttribute('seltype', val); return val;"/>
<property name="currentIndex"
onget="return this.view.selection.currentIndex;"
onset="return this.view.selection.currentIndex = val;"/>
<!-- ///////////////// nsIAccessibleProvider ///////////////// -->
<property name="accessible">
<getter>
<![CDATA[
var accService = Components.classes["@mozilla.org/accessibilityService;1"].getService(Components.interfaces.nsIAccessibilityService);
return accService.createXULTreeAccessible(this);
]]>
</getter>
</property>
<property name="treeBoxObject"
onget="return this.boxObject.QueryInterface(Components.interfaces.nsITreeBoxObject);"
readonly="true"/>
# contentView is obsolete (see bug 202391)
<property name="contentView"
onget="return this.view; /*.QueryInterface(Components.interfaces.nsITreeContentView)*/"
readonly="true"/>
# builderView is obsolete (see bug 202393)
<property name="builderView"
onget="return this.view; /*.QueryInterface(Components.interfaces.nsIXULTreeBuilder)*/"
readonly="true"/>
<field name="pageUpOrDownMovesSelection">
#ifdef XP_MACOSX
false
#else
true
#endif
</field>
<property name="enableColumnDrag"
onget="return this.hasAttribute('enableColumnDrag');"
onset="if (val) this.setAttribute('enableColumnDrag', 'true');
else this.removeAttribute('enableColumnDrag'); return val;"/>
<property name="firstOrdinalColumn">
<getter><![CDATA[
var cols = this.firstChild;
while (cols && cols.localName != "treecols")
cols = cols.nextSibling;
if (cols) {
var cols = cols.getElementsByTagName("treecol");
return cols && cols.length > 0 ? cols[0] : null;
} else
return null;
]]></getter>
</property>
<property name="disableKeyNavigation"
onget="return this.hasAttribute('disableKeyNavigation');"
onset="if (val) this.setAttribute('disableKeyNavigation', 'true');
else this.removeAttribute('disableKeyNavigation'); return val;"/>
<property name="_selectDelay"
onset="this.setAttribute('_selectDelay', val);"
onget="return this.getAttribute('_selectDelay') || 50;"/>
<field name="_columnsDirty">true</field>
<field name="_lastKeyTime">0</field>
<field name="_incrementalString">""</field>
<method name="_ensureColumnOrder">
<body><![CDATA[
if (this._columnsDirty) {
// update the ordinal position of each column to assure that it is
// an odd number and 2 positions above it's next sibling
var col = this.firstOrdinalColumn;
var cols = [];
while (col) {
if (col.localName == "treecol" && col.parentNode.parentNode == this)
cols[cols.length] = col;
col = col.boxObject.nextSibling;
}
var i;
for (i = 0; i < cols.length; ++i)
cols[i].setAttribute("ordinal", (i*2)+1);
// update the ordinal positions of splitters to even numbers, so that
// they are in between columns
var splitters = this.getElementsByTagName("splitter");
for (i = 0; i < splitters.length; ++i)
splitters[i].setAttribute("ordinal", (i+1)*2);
this._columnsDirty = false;
}
]]></body>
</method>
<method name="_reorderColumn">
<parameter name="aColMove"/>
<parameter name="aColBefore"/>
<parameter name="aBefore"/>
<body><![CDATA[
this._ensureColumnOrder();
var cols = [];
var col;
if (aColBefore.ordinal < aColMove.ordinal) {
col = aColBefore;
while (col) {
if (col.localName == "treecol")
cols.push(col);
col = col.boxObject.nextSibling;
if (col == aColMove)
break;
}
aColMove.ordinal = aColBefore.ordinal;
var i;
for (i = 0; i < cols.length; ++i)
cols[i].ordinal += 2;
} else {
col = aColMove.boxObject.nextSibling;
while (col) {
if (col.localName == "treecol")
cols.push(col);
col = col.boxObject.nextSibling;
if (col == aColBefore && aBefore)
break;
}
aColMove.ordinal = aBefore ? aColBefore.ordinal-2 : aColBefore.ordinal;
for (i = 0; i < cols.length; ++i)
cols[i].ordinal -= 2;
}
]]></body>
</method>
<method name="_getColumnAtX">
<parameter name="aX"/>
<parameter name="aThresh"/>
<parameter name="aPos"/>
<body><![CDATA[
if (aPos) aPos.value = "before";
var col = this.firstOrdinalColumn;
var lastCol = null;
var currentX = this.boxObject.x;
while (col) {
if (col.localName == "treecol" && col.parentNode.parentNode == this) {
var cw = col.boxObject.width;
if (cw > 0) {
currentX += cw;
if (currentX - (cw*aThresh) > aX)
return col;
}
lastCol = col;
}
col = col.boxObject.nextSibling;
}
if (aPos) aPos.value = "after";
return lastCol;
]]></body>
</method>
<method name="changeOpenState">
<parameter name="row"/>
<!-- Optional parameter openState == true or false to set.
No openState param == toggle -->
<parameter name="openState"/>
<body><![CDATA[
if (row < 0 || !this.view.isContainer(row)) {
return false;
}
if (this.view.isContainerOpen(row) != openState) {
this.view.toggleOpenState(row);
if (row == this.currentIndex) {
// Only fire event when current row is expanded or collapsed
// because that's all the assistive technology really cares about.
var event = document.createEvent('Events');
event.initEvent('OpenStateChange', false, true);
this.dispatchEvent(event);
}
return true;
}
return false;
}
]]></body>
</method>
</implementation>
<handlers>
<handler event="DOMMouseScroll" phase="capturing">
<![CDATA[
var rows = event.detail;
if (rows == NSUIEvent.SCROLL_PAGE_UP)
this.treeBoxObject.scrollByPages(-1);
else if (rows == NSUIEvent.SCROLL_PAGE_DOWN)
this.treeBoxObject.scrollByPages(1);
else
this.treeBoxObject.scrollByLines(rows);
]]>
</handler>
<handler event="focus">
<![CDATA[
this.treeBoxObject.focused = true;
if (this.currentIndex == -1 && this.view.rowCount > 0) {
this.currentIndex = this.treeBoxObject.getFirstVisibleRow();
}
]]>
</handler>
<handler event="blur" action="this.treeBoxObject.focused = false;"/>
<handler event="keypress" keycode="vk_enter" action="this.changeOpenState(this.currentIndex);"/>
<handler event="keypress" keycode="vk_return" action="this.changeOpenState(this.currentIndex);"/>
<handler event="keypress" keycode="vk_left">
<![CDATA[
if (!this.changeOpenState(this.currentIndex, false)) {
var parentIndex = this.view.getParentIndex(this.currentIndex);
if (parentIndex >= 0) {
this.view.selection.select(parentIndex);
this.treeBoxObject.ensureRowIsVisible(parentIndex);
}
}
]]>
</handler>
<handler event="keypress" keycode="vk_right">
<![CDATA[
var row = this.currentIndex;
if (row >= 0 && !this.changeOpenState(row, true)) {
var view = this.view;
if (row + 1 < view.rowCount &&
view.getParentIndex(row + 1) == row) {
// If already opened, select the first child.
// The getParentIndex test above ensures that the children
// are already populated and ready.
this.view.selection.timedSelect(row + 1, this._selectDelay);
this.treeBoxObject.ensureRowIsVisible(row + 1);
}
}
]]>
</handler>
<handler event="keypress" keycode="vk_up" modifiers="accel any">
<![CDATA[
if (this._isAccelPressed(event) && this.view.selection.single) {
this.treeBoxObject.scrollByLines(-1);
return;
}
var c = this.currentIndex;
if (c == -1 || c == 0)
return;
if (!this._isAccelPressed(event))
this.view.selection.timedSelect(c - 1, this._selectDelay);
else // Ctrl+Up moves the anchor without selecting
this.currentIndex = c - 1;
this.treeBoxObject.ensureRowIsVisible(c-1);
]]>
</handler>
<handler event="keypress" keycode="vk_down" modifiers="accel any">
<![CDATA[
if (this._isAccelPressed(event) && this.view.selection.single) {
this.treeBoxObject.scrollByLines(1);
return;
}
var c = this.currentIndex;
try {
if (c+1 == this.view.rowCount)
return;
} catch (e) {}
if (!this._isAccelPressed(event))
this.view.selection.timedSelect(c+1, this._selectDelay);
else // Ctrl+Down moves the anchor without selecting
this.currentIndex = c + 1;
this.treeBoxObject.ensureRowIsVisible(c+1);
]]>
</handler>
<handler event="keypress" keycode="vk_up" modifiers="accel any, shift">
<![CDATA[
if (this.view.selection.single)
return;
var c = this.currentIndex;
if (c == -1 || c == 0)
return;
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, c - 1,
this._isAccelPressed(event));
this.treeBoxObject.ensureRowIsVisible(c - 1);
]]>
</handler>
<handler event="keypress" keycode="vk_down" modifiers="accel any, shift">
<![CDATA[
if (this.view.selection.single)
return;
var c = this.currentIndex;
try {
if (c+1 == this.view.rowCount)
return;
} catch (e) {}
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, c + 1,
this._isAccelPressed(event));
this.treeBoxObject.ensureRowIsVisible(c + 1);
]]>
</handler>
<handler event="keypress" keycode="vk_page_up" modifiers="accel any">
<![CDATA[
if (this.pageUpOrDownMovesSelection == this._isAccelPressed(event)) {
this.treeBoxObject.scrollByPages(-1);
return;
}
var c = this.currentIndex;
if (c == 0)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var i = 0;
if (f > 0) {
var p = this.treeBoxObject.getPageLength();
if (f - p >= 0)
i = c - p;
else
i = c - f;
this.treeBoxObject.scrollByPages(-1);
}
this.view.selection.timedSelect(i, this._selectDelay);
]]>
</handler>
<handler event="keypress" keycode="vk_page_down" modifiers="accel any">
<![CDATA[
if (this.pageUpOrDownMovesSelection == this._isAccelPressed(event)) {
this.treeBoxObject.scrollByPages(1);
return;
}
var c = this.currentIndex;
var l = this.view.rowCount - 1;
if (c == l)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var p = this.treeBoxObject.getPageLength();
var i = l;
var lastTopRowIndex = l - p;
if (f <= lastTopRowIndex) {
if (f + p <= lastTopRowIndex)
i = c + p;
else
i = lastTopRowIndex + c - f + 1;
this.treeBoxObject.scrollByPages(1);
}
this.view.selection.timedSelect(i, this._selectDelay);
]]>
</handler>
<handler event="keypress" keycode="vk_page_up" modifiers="accel any, shift">
<![CDATA[
if (this.view.selection.single)
return;
var c = this.currentIndex;
if (c == 0)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var i = 0;
if (f > 0) {
var p = this.treeBoxObject.getPageLength();
if (f - p >= 0)
i = c - p;
else
i = c - f;
this.treeBoxObject.scrollByPages(-1);
}
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, i, this._isAccelPressed(event));
]]>
</handler>
<handler event="keypress" keycode="vk_page_down" modifiers="accel any, shift">
<![CDATA[
if (this.view.selection.single)
return;
var c = this.currentIndex;
var l = this.view.rowCount - 1;
if (c == l)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var p = this.treeBoxObject.getPageLength();
var i = l;
var lastTopRowIndex = l - p;
if (f <= lastTopRowIndex) {
if (f + p <= lastTopRowIndex)
i = c + p;
else
i = lastTopRowIndex + c - f + 1;
this.treeBoxObject.scrollByPages(1);
}
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, i, this._isAccelPressed(event));
]]>
</handler>
<handler event="keypress" keycode="vk_home" modifiers="accel any">
<![CDATA[
if (this.view.rowCount == 0)
return;
// Normal behaviour is to select the first row
if (!this._isAccelPressed(event))
this.view.selection.timedSelect(0, this._selectDelay);
// In a multiselect tree Ctrl+Home moves the anchor
else if (!this.view.selection.single)
this.currentIndex = 0;
this.treeBoxObject.ensureRowIsVisible(0);
]]>
</handler>
<handler event="keypress" keycode="vk_end" modifiers="accel any">
<![CDATA[
var l = this.view.rowCount - 1;
if (l < 0)
return;
// Normal behaviour is to select the last row
if (!this._isAccelPressed(event))
this.view.selection.timedSelect(l, this._selectDelay);
// In a multiselect tree Ctrl+End moves the anchor
else if (!this.view.selection.single)
this.currentIndex = l;
this.treeBoxObject.ensureRowIsVisible(l);
]]>
</handler>
<handler event="keypress" keycode="vk_home" modifiers="accel any, shift">
<![CDATA[
if (this.view.selection.single)
return;
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, 0, this._isAccelPressed(event));
this.treeBoxObject.ensureRowIsVisible(0);
]]>
</handler>
<handler event="keypress" keycode="vk_end" modifiers="accel any, shift">
<![CDATA[
if (this.view.selection.single)
return;
var l = this.view.rowCount - 1;
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, l, this._isAccelPressed(event));
this.treeBoxObject.ensureRowIsVisible(l);
]]>
</handler>
<handler event="keypress">
<![CDATA[
var c = this.currentIndex;
if (event.charCode == ' '.charCodeAt(0)) {
if (!this.view.selection.isSelected(c) ||
(!this.view.selection.single && this._isAccelPressed(event))) {
this.view.selection.toggleSelect(c);
}
}
else if (!this.disableKeyNavigation && event.charCode > 0 &&
!event.altKey && !this._isAccelPressed(event) &&
!event.shiftKey && !event.metaKey) {
var key = String.fromCharCode(event.charCode);
key = key.toLowerCase();
if (event.timeStamp - this._lastKeyTime > 1000)
this._incrementalString = key;
else
this._incrementalString += key;
this._lastKeyTime = event.timeStamp;
var length = this._incrementalString.length;
var incrementalString = this._incrementalString;
var charIndex = 1;
while (charIndex < length && incrementalString[charIndex] == incrementalString[charIndex - 1])
charIndex++;
// If all letters in incremental string are same, just try to match the first one
if (charIndex == length) {
length = 1;
incrementalString = incrementalString.substring(0, length);
}
var keyCol = this.columns.getKeyColumn();
var rowCount = this.view.rowCount;
var start = 1;
if (length > 1) {
start = 0;
if (c < 0)
c = 0;
}
for (var i = 0; i < rowCount; i++) {
var l = (i + start + c) % rowCount;
var cellText = this.view.getCellText(l, keyCol);
cellText = cellText.substring(0, length).toLowerCase();
if (cellText == incrementalString) {
this.view.selection.timedSelect(l, this._selectDelay);
this.treeBoxObject.ensureRowIsVisible(l);
break;
}
}
}
]]>
</handler>
</handlers>
</binding>
<binding id="treecols" extends="chrome://global/content/bindings/tree.xml#tree-base">
<content orient="horizontal">
<xul:hbox class="tree-scrollable-columns" flex="1">
<children includes="treecol|splitter"/>
</xul:hbox>
<xul:treecolpicker class="treecol-image" fixed="true" xbl:inherits="tooltiptext=pickertooltiptext"/>
</content>
<implementation implements="nsIAccessibleProvider">
<property name="accessible">
<getter>
<![CDATA[
var accService = Components.classes["@mozilla.org/accessibilityService;1"].getService(Components.interfaces.nsIAccessibilityService);
return accService.createXULTreeColumnsAccessible(this);
]]>
</getter>
</property>
</implementation>
</binding>
<binding id="treerows" extends="chrome://global/content/bindings/tree.xml#tree-base">
<content>
<xul:hbox flex="1" class="tree-bodybox">
<children/>
</xul:hbox>
<xul:scrollbar height="0" minwidth="0" minheight="0" orient="vertical" xbl:inherits="collapsed=hidevscroll"/>
</content>
<handlers>
<handler event="underflow">
<![CDATA[
// Scrollport event orientation
// 0: vertical
// 1: horizontal
// 2: both (not used)
var tree = document.getBindingParent(this);
if (event.detail == 1)
tree.setAttribute("hidehscroll", "true");
else if (event.detail == 0)
tree.setAttribute("hidevscroll", "true");
event.preventBubble();
]]>
</handler>
<handler event="overflow">
<![CDATA[
var tree = document.getBindingParent(this);
if (event.detail == 1)
tree.removeAttribute("hidehscroll");
else if (event.detail == 0)
tree.removeAttribute("hidevscroll");
event.preventBubble();
]]>
</handler>
</handlers>
</binding>
<binding id="treebody" extends="chrome://global/content/bindings/tree.xml#tree-base">
<implementation>
<constructor>
if ("_ensureColumnOrder" in this.parentNode)
this.parentNode._ensureColumnOrder();
</constructor>
<field name="_lastSelectedRow">
-1
</field>
</implementation>
<handlers>
<!-- If there is no modifier key, we select on mousedown, not
click, so that drags work correctly. -->
<handler event="mousedown" clickcount="1">
<![CDATA[
if (((!this._isAccelPressed(event) ||
!this.parentNode.pageUpOrDownMovesSelection) &&
!event.shiftKey && !event.metaKey) ||
this.parentNode.view.selection.single) {
var row = {};
var col = {};
var obj = {};
var b = this.parentNode.treeBoxObject;
b.getCellAt(event.clientX, event.clientY, row, col, obj);
// save off the last selected row
this._lastSelectedRow = row.value;
if (row.value == -1)
return;
if (obj.value == "twisty")
return;
if (col.value) {
if (col.value.cycler) {
b.view.cycleCell(row.value, col.value);
return;
} else if (col.value.type == Components.interfaces.nsITreeColumn.TYPE_CHECKBOX) {
if (this.parentNode.editable && col.value.editable &&
b.view.isEditable(row.value, col.value)) {
var value = b.view.getCellValue(row.value, col.value);
value = value == "true" ? "false" : "true";
b.view.setCellValue(row.value, col.value, value);
return;
}
}
}
if (!b.view.selection.isSelected(row.value)) {
b.view.selection.select(row.value);
b.ensureRowIsVisible(row.value);
}
}
]]>
</handler>
<!-- On a click (up+down on the same item), deselect everything
except this item. -->
<handler event="click" button="0" clickcount="1">
<![CDATA[
var row = {};
var col = {};
var obj = {};
var b = this.parentNode.treeBoxObject;
b.getCellAt(event.clientX, event.clientY, row, col, obj);
if (row.value == -1)
return;
if (obj.value == "twisty") {
if (b.view.selection.currentIndex >= 0 &&
b.view.isContainerOpen(row.value)) {
var parentIndex = b.view.getParentIndex(b.view.selection.currentIndex);
while (parentIndex >= 0 && parentIndex != row.value)
parentIndex = b.view.getParentIndex(parentIndex);
if (parentIndex == row.value)
b.view.selection.select(parentIndex);
}
this.parentNode.changeOpenState(row.value);
return;
}
if (! b.view.selection.single) {
var augment = this._isAccelPressed(event);
if (event.shiftKey) {
b.view.selection.rangedSelect(-1, row.value, augment);
b.ensureRowIsVisible(row.value);
return;
}
if (augment) {
b.view.selection.toggleSelect(row.value);
b.ensureRowIsVisible(row.value);
b.view.selection.currentIndex = row.value;
return;
}
}
/* We want to deselect all the selected items except what was
clicked, UNLESS it was a right-click. We have to do this
in click rather than mousedown so that you can drag a
selected group of items */
if (!col.value) return;
// if the last row has changed in between the time we
// mousedown and the time we click, don't fire the select handler.
// see bug #92366
if (!col.value.cycler && this._lastSelectedRow == row.value &&
col.value.type != Components.interfaces.nsITreeColumn.TYPE_CHECKBOX) {
b.view.selection.select(row.value);
b.ensureRowIsVisible(row.value);
}
]]>
</handler>
<!-- double-click -->
<handler event="click" clickcount="2">
<![CDATA[
var b = this.parentNode.treeBoxObject;
var row = b.view.selection.currentIndex;
if (row == -1 || !b.view.isContainer(row))
return;
var col = {};
var obj = {};
b.getCellAt(event.clientX, event.clientY, {}, col, obj);
// Cyclers and twisties respond to single clicks, not double clicks
if (!col.value.cycler && obj.value != "twisty")
this.parentNode.changeOpenState(row);
]]>
</handler>
</handlers>
</binding>
<binding id="treecol-base" extends="chrome://global/content/bindings/tree.xml#tree-base">
<implementation>
<constructor>
this.parentNode.parentNode._columnsDirty = true;
</constructor>
<property name="ordinal">
<getter><![CDATA[
var val = this.getAttribute("ordinal");
return val == "" ? 1 : (val == "0" ? 0 : parseInt(val));
]]></getter>
<setter><![CDATA[
this.setAttribute("ordinal", val);
]]></setter>
</property>
<property name="_previousVisibleColumn">
<getter><![CDATA[
var sib = this.boxObject.previousSibling;
while (sib) {
if (sib.localName == "treecol" && sib.boxObject.width > 0 && sib.parentNode == this.parentNode)
return sib;
sib = sib.boxObject.previousSibling;
}
return null;
]]></getter>
</property>
<method name="onDragMouseMove">
<parameter name="aEvent"/>
<body><![CDATA[
var col = document.treecolDragging;
if (!col) return;
// determine if we have moved the mouse far enough
// to initiate a drag
if (col.mDragGesturing) {
if (Math.abs(aEvent.clientX - col.mStartDragX) < 5 &&
Math.abs(aEvent.clientY - col.mStartDragY) < 5) {
return;
} else {
col.mDragGesturing = false;
col.setAttribute("dragging", "true");
window.addEventListener("click", col.onDragMouseClick, true);
}
}
var pos = {};
var targetCol = col.parentNode.parentNode._getColumnAtX(aEvent.clientX, 0.5, pos);
// bail if we haven't mousemoved to a different column
if (col.mTargetCol == targetCol && col.mTargetDir == pos.value)
return;
var tree = col.parentNode.parentNode;
var sib;
var column;
if (col.mTargetCol) {
// remove previous insertbefore/after attributes
col.mTargetCol.removeAttribute("insertbefore");
col.mTargetCol.removeAttribute("insertafter");
column = tree.columns.getColumnFor(col.mTargetCol);
tree.treeBoxObject.invalidateColumn(column);
sib = col.mTargetCol._previousVisibleColumn;
if (sib) {
sib.removeAttribute("insertafter");
column = tree.columns.getColumnFor(sib);
tree.treeBoxObject.invalidateColumn(column);
}
col.mTargetCol = null;
col.mTargetDir = null;
}
if (targetCol) {
// set insertbefore/after attributes
if (pos.value == "after") {
targetCol.setAttribute("insertafter", "true");
} else {
targetCol.setAttribute("insertbefore", "true");
sib = targetCol._previousVisibleColumn;
if (sib) {
sib.setAttribute("insertafter", "true");
column = tree.columns.getColumnFor(sib);
tree.treeBoxObject.invalidateColumn(column);
}
}
column = tree.columns.getColumnFor(targetCol);
tree.treeBoxObject.invalidateColumn(column);
col.mTargetCol = targetCol;
col.mTargetDir = pos.value;
}
]]></body>
</method>
<method name="onDragMouseUp">
<parameter name="aEvent"/>
<body><![CDATA[
var col = document.treecolDragging;
if (!col) return;
if (!col.mDragGesturing) {
if (col.mTargetCol) {
// remove insertbefore/after attributes
var before = col.mTargetCol.hasAttribute("insertbefore");
col.mTargetCol.removeAttribute(before ? "insertbefore" : "insertafter");
if (before) {
var sib = col.mTargetCol._previousVisibleColumn;
if (sib)
sib.removeAttribute("insertafter");
}
// move the column
if (col != col.mTargetCol)
col.parentNode.parentNode._reorderColumn(col, col.mTargetCol, before);
// repaint to remove lines
col.parentNode.parentNode.treeBoxObject.invalidate();
col.mTargetCol = null;
}
} else
col.mDragGesturing = false;
document.treecolDragging = null;
col.removeAttribute("dragging");
window.removeEventListener("mousemove", col.onDragMouseMove, true);
window.removeEventListener("mouseup", col.onDragMouseUp, true);
// we have to wait for the click event to fire before removing
// cancelling handler
var clickHandler = function(handler) {
window.removeEventListener("click", handler, true);
};
window.setTimeout(clickHandler, 0, col.onDragMouseClick);
]]></body>
</method>
<method name="onDragMouseClick">
<parameter name="aEvent"/>
<body><![CDATA[
// prevent click event from firing after column drag and drop
aEvent.preventBubble();
aEvent.preventDefault();
]]></body>
</method>
</implementation>
<handlers>
<handler event="mousedown" button="0"><![CDATA[
if (this.parentNode.parentNode.enableColumnDrag) {
var xulns = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
var cols = this.parentNode.getElementsByTagNameNS(xulns, "treecol");
// only start column drag operation if there are at least 2 visible columns
var visible = 0;
for (var i = 0; i < cols.length; ++i)
if (cols[i].boxObject.width > 0) ++visible;
if (visible > 1) {
window.addEventListener("mousemove", this.onDragMouseMove, false);
window.addEventListener("mouseup", this.onDragMouseUp, false);
document.treecolDragging = this;
this.mDragGesturing = true;
this.mStartDragX = event.clientX;
this.mStartDragY = event.clientY;
}
}
]]></handler>
<handler event="click" button="0" phase="target">
<![CDATA[
var tree = this.parentNode.parentNode;
var column = tree.columns.getColumnFor(this);
tree.view.cycleHeader(column);
]]>
</handler>
</handlers>
</binding>
<binding id="treecol" extends="chrome://global/content/bindings/tree.xml#treecol-base">
<content>
<xul:label class="treecol-text" xbl:inherits="crop,value=label" flex="1" crop="right"/>
<xul:image class="treecol-sortdirection" xbl:inherits="sortDirection,hidden=hideheader"/>
</content>
<implementation implements="nsIAccessibleProvider">
<property name="accessible">
<getter>
<![CDATA[
var accService = Components.classes["@mozilla.org/accessibilityService;1"].getService(Components.interfaces.nsIAccessibilityService);
return accService.createXULTreeColumnitemAccessible(this);
]]>
</getter>
</property>
</implementation>
</binding>
<binding id="treecol-image" extends="chrome://global/content/bindings/tree.xml#treecol-base">
<content>
<xul:image class="treecol-icon" xbl:inherits="src"/>
</content>
</binding>
<binding id="columnpicker" display="xul:button"
extends="chrome://global/content/bindings/tree.xml#tree-base">
<content>
<xul:image class="tree-columnpicker-icon"/>
<xul:menupopup anonid="popup">
<xul:menuseparator anonid="menuseparator"/>
<xul:menuitem anonid="menuitem" label="&restoreNaturalOrder.label;"/>
</xul:menupopup>
</content>
<implementation>
<method name="buildPopup">
<parameter name="aPopup"/>
<body>
<![CDATA[
// We no longer cache the picker content, remove the old content.
while (aPopup.childNodes.length > 2)
aPopup.removeChild(aPopup.firstChild);
var refChild = aPopup.firstChild;
var tree = this.parentNode.parentNode;
for (var currCol = tree.columns.getFirstColumn(); currCol;
currCol = currCol.getNext()) {
// Construct an entry for each column in the row, unless
// it is not being shown.
var currElement = currCol.element;
if (!currElement.hasAttribute("ignoreincolumnpicker")) {
var popupChild = document.createElement("menuitem");
popupChild.setAttribute("type", "checkbox");
var columnName = currElement.getAttribute("display") ||
currElement.getAttribute("label");
popupChild.setAttribute("label", columnName);
popupChild.setAttribute("colindex", currCol.index);
if (currElement.getAttribute("hidden") != "true")
popupChild.setAttribute("checked", "true");
if (currCol.primary)
popupChild.setAttribute("disabled", "true");
aPopup.insertBefore(popupChild, refChild);
}
}
var hidden = !tree.enableColumnDrag;
const anonids = ["menuseparator", "menuitem"];
for (var anonid in anonids) {
var element = document.getAnonymousElementByAttribute(this, "anonid", anonids[anonid]);
element.hidden = hidden;
}
]]>
</body>
</method>
</implementation>
<handlers>
<handler event="command">
<![CDATA[
if (event.originalTarget == this) {
var popup = document.getAnonymousElementByAttribute(this, "anonid", "popup");
this.buildPopup(popup);
popup.showPopup(this, -1, -1, "popup", "bottomright", "topright");
}
else {
var tree = this.parentNode.parentNode;
var menuitem = document.getAnonymousElementByAttribute(this, "anonid", "menuitem");
if (event.originalTarget == menuitem) {
tree.columns.restoreNaturalOrder();
tree._ensureColumnOrder();
}
else {
var colindex = event.originalTarget.getAttribute("colindex");
var column = tree.columns[colindex];
if (column) {
var element = column.element;
if (element.getAttribute("hidden") == "true")
element.setAttribute("hidden", "false");
else
element.setAttribute("hidden", "true");
}
}
}
]]>
</handler>
</handlers>
</binding>
</bindings>