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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL: http://www.gnu.org/licenses/lgpl.html
EPL: http://www.eclipse.org/org/documents/epl-v10.php
See the LICENSE file in the project's top-level directory for details.
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/* ************************************************************************
#module(ui_listview)
************************************************************************ */
qx.OO.defineClass("qx.ui.listview.Header", qx.ui.layout.HorizontalBoxLayout,
function(vColumns)
{
qx.ui.layout.HorizontalBoxLayout.call(this);
// This fixes the innerWidth calculation difference between the grid(pane) and the head.
this.setPaddingRight(qx.ui.core.Widget.SCROLLBAR_SIZE);
// ************************************************************************
// STORE REFERENCE TO CONFIG ENTRY
// ************************************************************************
this._columns = vColumns;
// ************************************************************************
// CREATE HEADER CELLS
// ************************************************************************
var vHeadCell, vHeadSeparator;
for (var vCol in vColumns)
{
vHeadCell = new qx.ui.listview.HeaderCell(vColumns[vCol], vCol);
vHeadSeparator = new qx.ui.listview.HeaderSeparator;
this.add(vHeadCell, vHeadSeparator);
if (vColumns[vCol].align) {
vHeadCell.setHorizontalChildrenAlign(vColumns[vCol].align);
if (vColumns[vCol].align == "right") {
vHeadCell.setReverseChildrenOrder(true);
}
}
// store some additional data
vColumns[vCol].contentClass = qx.OO.classes["qx.ui.listview.ContentCell" + qx.lang.String.toFirstUp(vColumns[vCol].type || "text")];
vColumns[vCol].headerCell = vHeadCell;
}
// ************************************************************************
// ADD EVENT LISTENERS
// ************************************************************************
this.addEventListener("mousemove", this._onmousemove);
this.addEventListener("mousedown", this._onmousedown);
this.addEventListener("mouseup", this._onmouseup);
this.addEventListener("mouseout", this._onmouseout);
});
qx.OO.changeProperty({ name : "appearance", type : "string", defaultValue : "list-view-header" });
/*
---------------------------------------------------------------------------
RESIZE SYNC
---------------------------------------------------------------------------
*/
qx.Proto._syncColumnWidth = function(vWidth)
{
var vChildren = this.getChildren();
var vColumn = Math.ceil(vChildren.indexOf(this._resizeCell) / 2);
this.getParent().getPane().setColumnWidth(vColumn, vWidth);
}
qx.Proto._syncResizeLine = function()
{
qx.ui.core.Widget.flushGlobalQueues();
var vParent = this.getParent();
var vLine = vParent.getResizeLine();
var vLeft = qx.html.Location.getPageBoxLeft(this._resizeSeparator.getElement()) - qx.html.Location.getPageInnerLeft(this.getElement());
var vTop = qx.html.Dimension.getBoxHeight(vParent.getHeader().getElement());
var vHeight = qx.html.Dimension.getBoxHeight(vParent.getElement()) - vTop;
vLine._applyRuntimeTop(vTop);
vLine._applyRuntimeHeight(vHeight);
vLine._applyRuntimeLeft(vLeft);
vLine.removeStyleProperty("visibility");
}
/*
---------------------------------------------------------------------------
EVENT HANDLER
---------------------------------------------------------------------------
*/
qx.Proto._mshtml = qx.core.Client.getInstance().isMshtml();
qx.Proto._onmousemove = function(e)
{
if (!this.getParent().getResizable()) {
return;
}
if (this._resizingActive)
{
// Slow down mshtml a bit
if (this._mshtml)
{
if ((new Date).valueOf() - this._last < 50) {
return;
}
this._last = (new Date).valueOf();
}
var vNewLeft = e.getPageX();
var vSizeDiff = vNewLeft - this._resizeStart;
var vCell = this._resizeCell;
vCell.setWidth(Math.max(4, vCell.getWidth() + vSizeDiff));
this._resizeStart = vNewLeft;
if (this.getParent().getLiveResize())
{
this._syncColumnWidth(vCell._computeBoxWidth());
}
else
{
this._syncResizeLine();
}
}
else
{
var vTarget = e.getTarget();
var vEventPos = e.getPageX();
var vTargetPosLeft = qx.html.Location.getPageBoxLeft(vTarget.getElement());
var vTargetPosRight = vTargetPosLeft + qx.html.Dimension.getBoxWidth(vTarget.getElement());
var vResizeCursor = false;
var vResizeSeparator = null;
if (vTarget instanceof qx.ui.listview.HeaderSeparator)
{
vResizeCursor = true;
vResizeSeparator = vTarget;
}
else if ((vEventPos - vTargetPosLeft) <= 10)
{
// Ignore first column
if (!vTarget.isFirstChild())
{
vResizeCursor = true;
vResizeSeparator = vTarget.getPreviousSibling();
}
}
else if ((vTargetPosRight - vEventPos) <= 10)
{
vResizeCursor = true;
vResizeSeparator = vTarget.getNextSibling();
}
if (!(vResizeSeparator instanceof qx.ui.listview.HeaderSeparator))
{
vResizeSeparator = vTarget = vResizeCursor = null;
}
// Check if child is marked as resizable
else if (vResizeSeparator)
{
var vResizeCell = vResizeSeparator.getPreviousSibling();
if (vResizeCell && (vResizeCell._computedWidthTypePercent || vResizeCell._config.resizable == false)) {
vResizeSeparator = vTarget = vResizeCursor = null;
}
}
// Apply global cursor
this.getTopLevelWidget().setGlobalCursor(vResizeCursor ? "e-resize" : null);
// Store data for mousedown
this._resizeSeparator = vResizeSeparator;
this._resizeTarget = vTarget;
}
}
qx.Proto._onmousedown = function(e)
{
if (!this._resizeSeparator) {
return;
}
this._resizingActive = true;
this._resizeStart = e.getPageX();
this._resizeCell = this._resizeSeparator.getPreviousSibling();
if (!this.getParent().getLiveResize()) {
this._syncResizeLine();
}
this.setCapture(true);
}
qx.Proto._onmouseup = function(e)
{
if (!this._resizingActive) {
return;
}
this._syncColumnWidth(this._resizeCell.getBoxWidth());
this.setCapture(false);
this.getTopLevelWidget().setGlobalCursor(null);
// Remove hover effect
this._resizeTarget.removeState("over");
// Hide resize line
this.getParent().getResizeLine().setStyleProperty("visibility", "hidden");
this._cleanupResizing();
}
qx.Proto._onmouseout = function(e)
{
if (!this.getCapture()) {
this.getTopLevelWidget().setGlobalCursor(null);
}
}
qx.Proto._cleanupResizing = function()
{
delete this._resizingActive;
delete this._resizeSeparator;
delete this._resizeTarget;
delete this._resizeStart;
delete this._resizeCell;
}
/*
---------------------------------------------------------------------------
DISPOSER
---------------------------------------------------------------------------
*/
qx.Proto.dispose = function()
{
if (this.getDisposed()) {
return;
}
this._cleanupResizing();
this.removeEventListener("mousemove", this._onmousemove);
this.removeEventListener("mousedown", this._onmousedown);
this.removeEventListener("mouseup", this._onmouseup);
this.removeEventListener("mouseout", this._onmouseout);
this._columns = null;
return qx.ui.layout.HorizontalBoxLayout.prototype.dispose.call(this);
}
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