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Diffstat (limited to 'webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/table/TablePaneScroller.js')
| -rw-r--r-- | webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/table/TablePaneScroller.js | 1331 |
1 files changed, 0 insertions, 1331 deletions
diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/table/TablePaneScroller.js b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/table/TablePaneScroller.js deleted file mode 100644 index d6f77731481..00000000000 --- a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/table/TablePaneScroller.js +++ /dev/null @@ -1,1331 +0,0 @@ -/* ************************************************************************ - - qooxdoo - the new era of web development - - http://qooxdoo.org - - Copyright: - 2006 by STZ-IDA, Germany, http://www.stz-ida.de - - License: - LGPL 2.1: http://www.gnu.org/licenses/lgpl.html - - Authors: - * Til Schneider (til132) - -************************************************************************ */ - -/* ************************************************************************ - -#module(ui_table) - -************************************************************************ */ - -/** - * Shows a whole meta column. This includes a {@link TablePaneHeader}, - * a {@link TablePane} and the needed scroll bars. This class handles the - * virtual scrolling and does all the mouse event handling. - * - * @param table {Table} the table the scroller belongs to. - */ -qx.OO.defineClass("qx.ui.table.TablePaneScroller", qx.ui.layout.VerticalBoxLayout, -function(table) { - qx.ui.layout.VerticalBoxLayout.call(this); - - this._table = table; - - // init scrollbars - this._verScrollBar = new qx.ui.core.ScrollBar(false); - this._horScrollBar = new qx.ui.core.ScrollBar(true); - - var scrollBarWidth = this._verScrollBar.getPreferredBoxWidth(); - - this._verScrollBar.setWidth("auto"); - this._horScrollBar.setHeight("auto"); - this._horScrollBar.setPaddingRight(scrollBarWidth); - //this._verScrollBar.setMergeEvents(true); - - this._horScrollBar.addEventListener("changeValue", this._onScrollX, this); - this._verScrollBar.addEventListener("changeValue", this._onScrollY, this); - - // init header - this._header = new qx.ui.table.TablePaneHeader(this); - this._header.set({ width:"auto", height:"auto" }); - - this._headerClipper = new qx.ui.layout.CanvasLayout; - with (this._headerClipper) { - setDimension("1*", "auto"); - setOverflow("hidden"); - add(this._header); - } - - this._spacer = new qx.ui.basic.Terminator; - this._spacer.setWidth(scrollBarWidth); - - this._top = new qx.ui.layout.HorizontalBoxLayout; - with (this._top) { - setHeight("auto"); - add(this._headerClipper, this._spacer); - } - - // init pane - this._tablePane = new qx.ui.table.TablePane(this); - this._tablePane.set({ width:"auto", height:"auto" }); - - this._focusIndicator = new qx.ui.layout.HorizontalBoxLayout; - this._focusIndicator.setAppearance("table-focus-indicator"); - this._focusIndicator.hide(); - - // Workaround: If the _focusIndicator has no content if always gets a too - // high hight in IE. - var dummyContent = new qx.ui.basic.Terminator; - dummyContent.setWidth(0); - this._focusIndicator.add(dummyContent); - - this._paneClipper = new qx.ui.layout.CanvasLayout; - with (this._paneClipper) { - setWidth("1*"); - setOverflow("hidden"); - add(this._tablePane, this._focusIndicator); - addEventListener("mousewheel", this._onmousewheel, this); - } - - // add all child widgets - var scrollerBody = new qx.ui.layout.HorizontalBoxLayout; - scrollerBody.setHeight("1*"); - scrollerBody.add(this._paneClipper, this._verScrollBar); - - this.add(this._top, scrollerBody, this._horScrollBar); - - // init event handlers - this.addEventListener("mousemove", this._onmousemove, this); - this.addEventListener("mousedown", this._onmousedown, this); - this.addEventListener("mouseup", this._onmouseup, this); - this.addEventListener("click", this._onclick, this); - this.addEventListener("dblclick", this._ondblclick, this); - this.addEventListener("mouseout", this._onmouseout, this); -}); - -/** Whether to show the horizontal scroll bar */ -qx.OO.addProperty({ name:"horizontalScrollBarVisible", type:"boolean", defaultValue:true }); - -/** Whether to show the vertical scroll bar */ -qx.OO.addProperty({ name:"verticalScrollBarVisible", type:"boolean", defaultValue:true }); - -/** The table pane model. */ -qx.OO.addProperty({ name:"tablePaneModel", type:"object", instance:"qx.ui.table.TablePaneModel" }); - -/** The current position of the the horizontal scroll bar. */ -qx.OO.addProperty({ name:"scrollX", type:"number", allowNull:false, defaultValue:0 }); - -/** The current position of the the vertical scroll bar. */ -qx.OO.addProperty({ name:"scrollY", type:"number", allowNull:false, defaultValue:0 }); - -/** - * Whether column resize should be live. If false, during resize only a line is - * shown and the real resize happens when the user releases the mouse button. - */ -qx.OO.addProperty({ name:"liveResize", type:"boolean", defaultValue:false }); - -/** - * Whether the focus should moved when the mouse is moved over a cell. If false - * the focus is only moved on mouse clicks. - */ -qx.OO.addProperty({ name:"focusCellOnMouseMove", type:"boolean", defaultValue:false }); - - -// property modifier -qx.Proto._modifyHorizontalScrollBarVisible = function(propValue, propOldValue, propData) { - // Workaround: We can't use setDisplay, because the scroll bar needs its - // correct height in order to check its value. When using - // setDisplay(false) the height isn't relayouted any more - if (propValue) { - this._horScrollBar.setHeight("auto"); - } else { - this._horScrollBar.setHeight(0); - } - this._horScrollBar.setVisibility(propValue); - - // NOTE: We have to flush the queues before updating the content so the new - // layout has been applied and _updateContent is able to work with - // correct values. - qx.ui.core.Widget.flushGlobalQueues(); - this._updateContent(); - - return true; -} - - -// property modifier -qx.Proto._modifyVerticalScrollBarVisible = function(propValue, propOldValue, propData) { - // Workaround: See _modifyHorizontalScrollBarVisible - if (propValue) { - this._verScrollBar.setWidth("auto"); - } else { - this._verScrollBar.setWidth(0); - } - this._verScrollBar.setVisibility(propValue); - - var scrollBarWidth = propValue ? this._verScrollBar.getPreferredBoxWidth() : 0; - this._horScrollBar.setPaddingRight(scrollBarWidth); - this._spacer.setWidth(scrollBarWidth); - - return true; -} - - -// property modifier -qx.Proto._modifyTablePaneModel = function(propValue, propOldValue, propData) { - if (propOldValue != null) { - propOldValue.removeEventListener("modelChanged", this._onPaneModelChanged, this); - } - propValue.addEventListener("modelChanged", this._onPaneModelChanged, this); - - return true; -} - - -// property modifier -qx.Proto._modifyScrollX = function(propValue, propOldValue, propData) { - this._horScrollBar.setValue(propValue); - return true; -} - - -// property modifier -qx.Proto._modifyScrollY = function(propValue, propOldValue, propData) { - this._verScrollBar.setValue(propValue); - return true; -} - - -/** - * Returns the table this scroller belongs to. - * - * @return {Table} the table. - */ -qx.Proto.getTable = function() { - return this._table; -}; - - -/** - * Event handler. Called when the visibility of a column has changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onColVisibilityChanged = function(evt) { - this._updateHorScrollBarMaximum(); - this._updateFocusIndicator(); -} - - -/** - * Event handler. Called when the width of a column has changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onColWidthChanged = function(evt) { - this._header._onColWidthChanged(evt); - this._tablePane._onColWidthChanged(evt); - - var data = evt.getData(); - var paneModel = this.getTablePaneModel(); - var x = paneModel.getX(data.col); - if (x != -1) { - // The change was in this scroller - this._updateHorScrollBarMaximum(); - this._updateFocusIndicator(); - } -} - - -/** - * Event handler. Called when the column order has changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onColOrderChanged = function(evt) { - this._header._onColOrderChanged(evt); - this._tablePane._onColOrderChanged(evt); - - this._updateHorScrollBarMaximum(); -} - - -/** - * Event handler. Called when the table model has changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onTableModelDataChanged = function(evt) { - this._tablePane._onTableModelDataChanged(evt); - - var rowCount = this.getTable().getTableModel().getRowCount(); - if (rowCount != this._lastRowCount) { - this._lastRowCount = rowCount; - - this._updateVerScrollBarMaximum(); - if (this.getFocusedRow() >= rowCount) { - if (rowCount == 0) { - this.setFocusedCell(null, null); - } else { - this.setFocusedCell(this.getFocusedColumn(), rowCount - 1); - } - } - } -} - - -/** - * Event handler. Called when the selection has changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onSelectionChanged = function(evt) { - this._tablePane._onSelectionChanged(evt); -}; - - -/** - * Event handler. Called when the table gets or looses the focus. - */ -qx.Proto._onFocusChanged = function(evt) { - this._focusIndicator.setState("tableHasFocus", this.getTable().getFocused()); - - this._tablePane._onFocusChanged(evt); -}; - - -/** - * Event handler. Called when the table model meta data has changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onTableModelMetaDataChanged = function(evt) { - this._header._onTableModelMetaDataChanged(evt); - this._tablePane._onTableModelMetaDataChanged(evt); -}; - - -/** - * Event handler. Called when the pane model has changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onPaneModelChanged = function(evt) { - this._header._onPaneModelChanged(evt); - this._tablePane._onPaneModelChanged(evt); -}; - - -/** - * Updates the maximum of the horizontal scroll bar, so it corresponds to the - * total width of the columns in the table pane. - */ -qx.Proto._updateHorScrollBarMaximum = function() { - this._horScrollBar.setMaximum(this.getTablePaneModel().getTotalWidth()); -} - - -/** - * Updates the maximum of the vertical scroll bar, so it corresponds to the - * number of rows in the table. - */ -qx.Proto._updateVerScrollBarMaximum = function() { - var rowCount = this.getTable().getTableModel().getRowCount(); - var rowHeight = this.getTable().getRowHeight(); - - if (this.getTable().getKeepFirstVisibleRowComplete()) { - this._verScrollBar.setMaximum((rowCount + 1) * rowHeight); - } else { - this._verScrollBar.setMaximum(rowCount * rowHeight); - } -} - - -/** - * Event handler. Called when the table property "keepFirstVisibleRowComplete" - * changed. - */ -qx.Proto._onKeepFirstVisibleRowCompleteChanged = function() { - this._updateVerScrollBarMaximum(); - this._updateContent(); -}; - - -// overridden -qx.Proto._changeInnerHeight = function(newValue, oldValue) { - // The height has changed -> Update content - this._postponedUpdateContent(); - - return qx.ui.layout.VerticalBoxLayout.prototype._changeInnerHeight.call(this, newValue, oldValue); -} - - -// overridden -qx.Proto._afterAppear = function() { - qx.ui.layout.VerticalBoxLayout.prototype._afterAppear.call(this); - - var self = this; - this.getElement().onselectstart = qx.util.Return.returnFalse; - - this._updateContent(); - this._header._updateContent(); - this._updateHorScrollBarMaximum(); - this._updateVerScrollBarMaximum(); -} - - -/** - * Event handler. Called when the horizontal scroll bar moved. - * - * @param evt {Map} the event. - */ -qx.Proto._onScrollX = function(evt) { - // Workaround: See _updateContent - this._header.setLeft(-evt.getData()); - - this._paneClipper.setScrollLeft(evt.getData()); - this.setScrollX(evt.getData()); -} - - -/** - * Event handler. Called when the vertical scroll bar moved. - * - * @param evt {Map} the event. - */ -qx.Proto._onScrollY = function(evt) { - this._postponedUpdateContent(); - this.setScrollY(evt.getData()); -} - - -/** - * Event handler. Called when the user moved the mouse wheel. - * - * @param evt {Map} the event. - */ -qx.Proto._onmousewheel = function(evt) { - this._verScrollBar.setValue(this._verScrollBar.getValue() - - evt.getWheelDelta() * this.getTable().getRowHeight()); - - // Update the focus - if (this._lastMousePageX && this.getFocusCellOnMouseMove()) { - this._focusCellAtPagePos(this._lastMousePageX, this._lastMousePageY); - } -} - - -/** - * Event handler. Called when the user moved the mouse. - * - * @param evt {Map} the event. - */ -qx.Proto._onmousemove = function(evt) { - var tableModel = this.getTable().getTableModel(); - var columnModel = this.getTable().getTableColumnModel(); - - var useResizeCursor = false; - var mouseOverColumn = null; - - var pageX = evt.getPageX(); - var pageY = evt.getPageY(); - - // Workaround: In onmousewheel the event has wrong coordinates for pageX - // and pageY. So we remember the last move event. - this._lastMousePageX = pageX; - this._lastMousePageY = pageY; - - if (this._resizeColumn != null) { - // We are currently resizing -> Update the position - var minColumnWidth = qx.ui.table.TablePaneScroller.MIN_COLUMN_WIDTH; - var newWidth = Math.max(minColumnWidth, this._lastResizeWidth + pageX - this._lastResizeMousePageX); - - if (this.getLiveResize()) { - columnModel.setColumnWidth(this._resizeColumn, newWidth); - } else { - this._header.setColumnWidth(this._resizeColumn, newWidth); - - var paneModel = this.getTablePaneModel(); - this._showResizeLine(paneModel.getColumnLeft(this._resizeColumn) + newWidth); - } - - useResizeCursor = true; - this._lastResizeMousePageX += newWidth - this._lastResizeWidth; - this._lastResizeWidth = newWidth; - } else if (this._moveColumn != null) { - // We are moving a column - - // Check whether we moved outside the click tolerance so we can start - // showing the column move feedback - // (showing the column move feedback prevents the onclick event) - var clickTolerance = qx.ui.table.TablePaneScroller.CLICK_TOLERANCE; - if (this._header.isShowingColumnMoveFeedback() - || pageX > this._lastMoveMousePageX + clickTolerance - || pageX < this._lastMoveMousePageX - clickTolerance) - { - this._lastMoveColPos += pageX - this._lastMoveMousePageX; - - this._header.showColumnMoveFeedback(this._moveColumn, this._lastMoveColPos); - - // Get the responsible scroller - var targetScroller = this._table.getTablePaneScrollerAtPageX(pageX); - if (this._lastMoveTargetScroller && this._lastMoveTargetScroller != targetScroller) { - this._lastMoveTargetScroller.hideColumnMoveFeedback(); - } - if (targetScroller != null) { - this._lastMoveTargetX = targetScroller.showColumnMoveFeedback(pageX); - } else { - this._lastMoveTargetX = null; - } - - this._lastMoveTargetScroller = targetScroller; - this._lastMoveMousePageX = pageX; - } - } else { - // This is a normal mouse move - var row = this._getRowForPagePos(pageX, pageY); - if (row == -1) { - // The mouse is over the header - var resizeCol = this._getResizeColumnForPageX(pageX); - if (resizeCol != -1) { - // The mouse is over a resize region -> Show the right cursor - useResizeCursor = true; - } else { - var col = this._getColumnForPageX(pageX); - if (col != null && tableModel.isColumnSortable(col)) { - mouseOverColumn = col; - } - } - } else if (row != null) { - // The mouse is over the data -> update the focus - if (this.getFocusCellOnMouseMove()) { - this._focusCellAtPagePos(pageX, pageY); - } - } - } - - // Workaround: Setting the cursor to the right widget doesn't work - //this._header.setCursor(useResizeCursor ? "e-resize" : null); - this.getTopLevelWidget().setGlobalCursor(useResizeCursor ? qx.ui.table.TablePaneScroller.CURSOR_RESIZE_HORIZONTAL : null); - - this._header.setMouseOverColumn(mouseOverColumn); -} - - -/** - * Event handler. Called when the user pressed a mouse button. - * - * @param evt {Map} the event. - */ -qx.Proto._onmousedown = function(evt) { - var tableModel = this.getTable().getTableModel(); - var columnModel = this.getTable().getTableColumnModel(); - - var pageX = evt.getPageX(); - var pageY = evt.getPageY(); - var row = this._getRowForPagePos(pageX, pageY); - if (row == -1) { - // mouse is in header - var resizeCol = this._getResizeColumnForPageX(pageX); - if (resizeCol != -1) { - // The mouse is over a resize region -> Start resizing - this._resizeColumn = resizeCol; - this._lastResizeMousePageX = pageX; - this._lastResizeWidth = columnModel.getColumnWidth(this._resizeColumn); - this.setCapture(true); - } else { - // The mouse is not in a resize region - var col = this._getColumnForPageX(pageX); - if (col != null) { - // Prepare column moving - this._moveColumn = col; - this._lastMoveMousePageX = pageX; - this._lastMoveColPos = this.getTablePaneModel().getColumnLeft(col); - this.setCapture(true); - } - } - } else if (row != null) { - // The mouse is over the data -> update the focus - if (! this.getFocusCellOnMouseMove()) { - this._focusCellAtPagePos(pageX, pageY); - } - - this.getTable()._getSelectionManager().handleMouseDown(row, evt); - } -} - - -/** - * Event handler. Called when the user released a mouse button. - * - * @param evt {Map} the event. - */ -qx.Proto._onmouseup = function(evt) { - var columnModel = this.getTable().getTableColumnModel(); - var paneModel = this.getTablePaneModel(); - - if (this._resizeColumn != null) { - // We are currently resizing -> Finish resizing - if (! this.getLiveResize()) { - this._hideResizeLine(); - columnModel.setColumnWidth(this._resizeColumn, this._lastResizeWidth); - } - - this._resizeColumn = null; - this.setCapture(false); - - this.getTopLevelWidget().setGlobalCursor(null); - } else if (this._moveColumn != null) { - // We are moving a column -> Drop the column - this._header.hideColumnMoveFeedback(); - if (this._lastMoveTargetScroller) { - this._lastMoveTargetScroller.hideColumnMoveFeedback(); - } - - if (this._lastMoveTargetX != null) { - var fromVisXPos = paneModel.getFirstColumnX() + paneModel.getX(this._moveColumn); - var toVisXPos = this._lastMoveTargetX; - if (toVisXPos != fromVisXPos && toVisXPos != fromVisXPos + 1) { - // The column was really moved to another position - // (and not moved before or after itself, which is a noop) - - // Translate visible positions to overall positions - var fromCol = columnModel.getVisibleColumnAtX(fromVisXPos); - var toCol = columnModel.getVisibleColumnAtX(toVisXPos); - var fromOverXPos = columnModel.getOverallX(fromCol); - var toOverXPos = (toCol != null) ? columnModel.getOverallX(toCol) : columnModel.getOverallColumnCount(); - - if (toOverXPos > fromOverXPos) { - // Don't count the column itself - toOverXPos--; - } - - // Move the column - columnModel.moveColumn(fromOverXPos, toOverXPos); - } - } - - this._moveColumn = null; - this._lastMoveTargetX = null; - this.setCapture(false); - } else { - // This is a normal mouse up - var row = this._getRowForPagePos(evt.getPageX(), evt.getPageY()); - if (row != -1 && row != null) { - this.getTable()._getSelectionManager().handleMouseUp(row, evt); - } - } -} - - -/** - * Event handler. Called when the user clicked a mouse button. - * - * @param evt {Map} the event. - */ -qx.Proto._onclick = function(evt) { - var tableModel = this.getTable().getTableModel(); - - var pageX = evt.getPageX(); - var pageY = evt.getPageY(); - var row = this._getRowForPagePos(pageX, pageY); - if (row == -1) { - // mouse is in header - var resizeCol = this._getResizeColumnForPageX(pageX); - if (resizeCol == -1) { - // mouse is not in a resize region - var col = this._getColumnForPageX(pageX); - if (col != null && tableModel.isColumnSortable(col)) { - // Sort that column - var sortCol = tableModel.getSortColumnIndex(); - var ascending = (col != sortCol) ? true : !tableModel.isSortAscending(); - - tableModel.sortByColumn(col, ascending); - this.getTable().getSelectionModel().clearSelection(); - } - } - } else if (row != null) { - this.getTable()._getSelectionManager().handleClick(row, evt); - } -} - - -/** - * Event handler. Called when the user double clicked a mouse button. - * - * @param evt {Map} the event. - */ -qx.Proto._ondblclick = function(evt) { - if (! this.isEditing()) { - this._focusCellAtPagePos(evt.getPageX(), evt.getPageY()); - this.startEditing(); - } -} - - -/** - * Event handler. Called when the mouse moved out. - * - * @param evt {Map} the event. - */ -qx.Proto._onmouseout = function(evt) { - /* - // Workaround: See _onmousemove - this._lastMousePageX = null; - this._lastMousePageY = null; - */ - - // Reset the resize cursor when the mouse leaves the header - // If currently a column is resized then do nothing - // (the cursor will be reset on mouseup) - if (this._resizeColumn == null) { - this.getTopLevelWidget().setGlobalCursor(null); - } - - this._header.setMouseOverColumn(null); -} - - -/** - * Shows the resize line. - * - * @param x {int} the position where to show the line (in pixels, relative to - * the left side of the pane). - */ -qx.Proto._showResizeLine = function(x) { - var resizeLine = this._resizeLine; - if (resizeLine == null) { - resizeLine = new qx.ui.basic.Terminator; - resizeLine.setBackgroundColor("#D6D5D9"); - resizeLine.setWidth(3); - this._paneClipper.add(resizeLine); - qx.ui.core.Widget.flushGlobalQueues(); - - this._resizeLine = resizeLine; - } - - resizeLine._applyRuntimeLeft(x - 2); // -1 for the width - resizeLine._applyRuntimeHeight(this._paneClipper.getBoxHeight() + this._paneClipper.getScrollTop()); - - this._resizeLine.removeStyleProperty("visibility"); -} - - -/** - * Hides the resize line. - */ -qx.Proto._hideResizeLine = function() { - this._resizeLine.setStyleProperty("visibility", "hidden"); -} - - -/** - * Shows the feedback shown while a column is moved by the user. - * - * @param pageX {int} the x position of the mouse in the page (in pixels). - * @return {int} the visible x position of the column in the whole table. - */ -qx.Proto.showColumnMoveFeedback = function(pageX) { - var paneModel = this.getTablePaneModel(); - var columnModel = this.getTable().getTableColumnModel(); - var paneLeftX = qx.dom.Location.getClientBoxLeft(this._tablePane.getElement()); - var colCount = paneModel.getColumnCount(); - - var targetXPos = 0; - var targetX = 0; - var currX = paneLeftX; - for (var xPos = 0; xPos < colCount; xPos++) { - var col = paneModel.getColumnAtX(xPos); - var colWidth = columnModel.getColumnWidth(col); - - if (pageX < currX + colWidth / 2) { - break; - } - - currX += colWidth; - targetXPos = xPos + 1; - targetX = currX - paneLeftX; - } - - // Ensure targetX is visible - var clipperLeftX = qx.dom.Location.getClientBoxLeft(this._paneClipper.getElement()); - var clipperWidth = this._paneClipper.getBoxWidth(); - var scrollX = clipperLeftX - paneLeftX; - // NOTE: +2/-1 because of feedback width - targetX = qx.lang.Number.limit(targetX, scrollX + 2, scrollX + clipperWidth - 1); - - this._showResizeLine(targetX); - - // Return the overall target x position - return paneModel.getFirstColumnX() + targetXPos; -} - - -/** - * Hides the feedback shown while a column is moved by the user. - */ -qx.Proto.hideColumnMoveFeedback = function() { - this._hideResizeLine(); -} - - -/** - * Sets the focus to the cell that's located at the page position - * <code>pageX</code>/<code>pageY</code>. If there is no cell at that position, - * nothing happens. - * - * @param pageX {int} the x position in the page (in pixels). - * @param pageY {int} the y position in the page (in pixels). - */ -qx.Proto._focusCellAtPagePos = function(pageX, pageY) { - var row = this._getRowForPagePos(pageX, pageY); - if (row != -1 && row != null) { - // The mouse is over the data -> update the focus - var col = this._getColumnForPageX(pageX); - if (col != null) { - this._table.setFocusedCell(col, row); - } - } -} - - -/** - * Sets the currently focused cell. - * - * @param col {int} the model index of the focused cell's column. - * @param row {int} the model index of the focused cell's row. - */ -qx.Proto.setFocusedCell = function(col, row) { - if (!this.isEditing()) { - this._tablePane.setFocusedCell(col, row, this._updateContentPlanned); - - this._focusedCol = col; - this._focusedRow = row; - - // Move the focus indicator - if (! this._updateContentPlanned) { - this._updateFocusIndicator(); - } - } -} - - -/** - * Returns the column of currently focused cell. - * - * @return {int} the model index of the focused cell's column. - */ -qx.Proto.getFocusedColumn = function() { - return this._focusedCol; -}; - - -/** - * Returns the row of currently focused cell. - * - * @return {int} the model index of the focused cell's column. - */ -qx.Proto.getFocusedRow = function() { - return this._focusedRow; -}; - - -/** - * Scrolls a cell visible. - * - * @param col {int} the model index of the column the cell belongs to. - * @param row {int} the model index of the row the cell belongs to. - */ -qx.Proto.scrollCellVisible = function(col, row) { - var paneModel = this.getTablePaneModel(); - var xPos = paneModel.getX(col); - - if (xPos != -1) { - var columnModel = this.getTable().getTableColumnModel(); - - var colLeft = paneModel.getColumnLeft(col); - var colWidth = columnModel.getColumnWidth(col); - var rowHeight = this.getTable().getRowHeight(); - var rowTop = row * rowHeight; - - var scrollX = this.getScrollX(); - var scrollY = this.getScrollY(); - var viewWidth = this._paneClipper.getBoxWidth(); - var viewHeight = this._paneClipper.getBoxHeight(); - - // NOTE: We don't use qx.lang.Number.limit, because min should win if max < min - var minScrollX = Math.min(colLeft, colLeft + colWidth - viewWidth); - var maxScrollX = colLeft; - this.setScrollX(Math.max(minScrollX, Math.min(maxScrollX, scrollX))); - - var minScrollY = rowTop + rowHeight - viewHeight; - if (this.getTable().getKeepFirstVisibleRowComplete()) { - minScrollY += rowHeight - 1; - } - var maxScrollY = rowTop; - this.setScrollY(Math.max(minScrollY, Math.min(maxScrollY, scrollY))); - } -} - - -/** - * Returns whether currently a cell is editing. - * - * @return whether currently a cell is editing. - */ -qx.Proto.isEditing = function() { - return this._cellEditor != null; -} - - -/** - * Starts editing the currently focused cell. Does nothing if already editing - * or if the column is not editable. - * - * @return {boolean} whether editing was started - */ -qx.Proto.startEditing = function() { - var tableModel = this.getTable().getTableModel(); - var col = this._focusedCol; - - if (!this.isEditing() && (col != null) && tableModel.isColumnEditable(col)) { - var row = this._focusedRow; - var xPos = this.getTablePaneModel().getX(col); - var value = tableModel.getValue(col, row); - - this._cellEditorFactory = this.getTable().getTableColumnModel().getCellEditorFactory(col); - var cellInfo = { col:col, row:row, xPos:xPos, value:value } - this._cellEditor = this._cellEditorFactory.createCellEditor(cellInfo); - this._cellEditor.set({ width:"100%", height:"100%" }); - - this._focusIndicator.add(this._cellEditor); - this._focusIndicator.addState("editing"); - - this._cellEditor.addEventListener("changeFocused", this._onCellEditorFocusChanged, this); - - // Workaround: Calling focus() directly has no effect - var editor = this._cellEditor; - window.setTimeout(function() { - editor.focus(); - }, 0); - - return true; - } - - return false; -} - - -/** - * Stops editing and writes the editor's value to the model. - */ -qx.Proto.stopEditing = function() { - this.flushEditor(); - this.cancelEditing(); -} - - -/** - * Writes the editor's value to the model. - */ -qx.Proto.flushEditor = function() { - if (this.isEditing()) { - var value = this._cellEditorFactory.getCellEditorValue(this._cellEditor); - this.getTable().getTableModel().setValue(this._focusedCol, this._focusedRow, value); - - this._table.focus(); - } -} - - -/** - * Stops editing without writing the editor's value to the model. - */ -qx.Proto.cancelEditing = function() { - if (this.isEditing()) { - this._focusIndicator.remove(this._cellEditor); - this._focusIndicator.removeState("editing"); - this._cellEditor.dispose(); - - this._cellEditor.removeEventListener("changeFocused", this._onCellEditorFocusChanged, this); - this._cellEditor = null; - this._cellEditorFactory = null; - } -} - - -/** - * Event handler. Called when the focused state of the cell editor changed. - * - * @param evt {Map} the event. - */ -qx.Proto._onCellEditorFocusChanged = function(evt) { - if (!this._cellEditor.getFocused()) { - this.stopEditing(); - } -} - - -/** - * Returns the model index of the column the mouse is over or null if the mouse - * is not over a column. - * - * @param pageX {int} the x position of the mouse in the page (in pixels). - * @return {int} the model index of the column the mouse is over. - */ -qx.Proto._getColumnForPageX = function(pageX) { - var headerLeftX = qx.dom.Location.getClientBoxLeft(this._header.getElement()); - - var columnModel = this.getTable().getTableColumnModel(); - var paneModel = this.getTablePaneModel(); - var colCount = paneModel.getColumnCount(); - var currX = headerLeftX; - for (var x = 0; x < colCount; x++) { - var col = paneModel.getColumnAtX(x); - var colWidth = columnModel.getColumnWidth(col); - currX += colWidth; - - if (pageX < currX) { - return col; - } - } - - return null; -} - - -/** - * Returns the model index of the column that should be resized when dragging - * starts here. Returns -1 if the mouse is in no resize region of any column. - * - * @param pageX {int} the x position of the mouse in the page (in pixels). - * @return {int} the column index. - */ -qx.Proto._getResizeColumnForPageX = function(pageX) { - var headerLeftX = qx.dom.Location.getClientBoxLeft(this._header.getElement()); - - var columnModel = this.getTable().getTableColumnModel(); - var paneModel = this.getTablePaneModel(); - var colCount = paneModel.getColumnCount(); - var currX = headerLeftX; - var regionRadius = qx.ui.table.TablePaneScroller.RESIZE_REGION_RADIUS; - for (var x = 0; x < colCount; x++) { - var col = paneModel.getColumnAtX(x); - var colWidth = columnModel.getColumnWidth(col); - currX += colWidth; - - if (pageX >= (currX - regionRadius) && pageX <= (currX + regionRadius)) { - return col; - } - } - - return -1; -} - - -/** - * Returns the model index of the row the mouse is currently over. Returns -1 if - * the mouse is over the header. Returns null if the mouse is not over any - * column. - * - * @param pageX {int} the mouse x position in the page. - * @param pageY {int} the mouse y position in the page. - * @return {int} the model index of the row the mouse is currently over. - */ -qx.Proto._getRowForPagePos = function(pageX, pageY) { - var paneClipperElem = this._paneClipper.getElement(); - var paneClipperLeftX = qx.dom.Location.getClientBoxLeft(paneClipperElem); - var paneClipperRightX = qx.dom.Location.getClientBoxRight(paneClipperElem); - if (pageX < paneClipperLeftX || pageX > paneClipperRightX) { - // There was no cell or header cell hit - return null; - } - - var paneClipperTopY = qx.dom.Location.getClientBoxTop(paneClipperElem); - var paneClipperBottomY = qx.dom.Location.getClientBoxBottom(paneClipperElem); - if (pageY >= paneClipperTopY && pageY <= paneClipperBottomY) { - // This event is in the pane -> Get the row - var rowHeight = this.getTable().getRowHeight(); - - var scrollY = this._verScrollBar.getValue(); - if (this.getTable().getKeepFirstVisibleRowComplete()) { - scrollY = Math.floor(scrollY / rowHeight) * rowHeight; - } - - var tableY = scrollY + pageY - paneClipperTopY; - var row = Math.floor(tableY / rowHeight); - - var rowCount = this.getTable().getTableModel().getRowCount(); - return (row < rowCount) ? row : null; - } - - var headerElem = this._headerClipper.getElement(); - if (pageY >= qx.dom.Location.getClientBoxTop(headerElem) - && pageY <= qx.dom.Location.getClientBoxBottom(headerElem) - && pageX <= qx.dom.Location.getClientBoxRight(headerElem)) - { - // This event is in the pane -> Return -1 for the header - return -1; - } - - return null; -} - - -/** - * Sets the widget that should be shown in the top right corner. - * <p> - * The widget will not be disposed, when this table scroller is disposed. So the - * caller has to dispose it. - * - * @param widget {qx.ui.core.Widget} The widget to set. May be null. - */ -qx.Proto.setTopRightWidget = function(widget) { - var oldWidget = this._topRightWidget; - if (oldWidget != null) { - this._top.remove(oldWidget); - } - - if (widget != null) { - this._top.remove(this._spacer); - this._top.add(widget); - } else if (oldWidget != null) { - this._top.add(this._spacer); - } - - this._topRightWidget = widget; -} - - -/** - * Returns the header. - * - * @return {TablePaneHeader} the header. - */ -qx.Proto.getHeader = function() { - return this._header; -} - - -/** - * Returns the table pane. - * - * @return {TablePane} the table pane. - */ -qx.Proto.getTablePane = function() { - return this._tablePane; -} - - -/** - * Returns which scrollbars are needed. - * - * @param forceHorizontal {boolean ? false} Whether to show the horizontal - * scrollbar always. - * @param preventVertical {boolean ? false} Whether tp show the vertical scrollbar - * never. - * @return {int} which scrollbars are needed. This may be any combination of - * {@link #HORIZONTAL_SCROLLBAR} or {@link #VERTICAL_SCROLLBAR} - * (combined by OR). - */ -qx.Proto.getNeededScrollBars = function(forceHorizontal, preventVertical) { - var barWidth = this._verScrollBar.getPreferredBoxWidth(); - - // Get the width and height of the view (without scroll bars) - var viewWidth = this._paneClipper.getInnerWidth(); - if (this.getVerticalScrollBarVisible()) { - viewWidth += barWidth; - } - var viewHeight = this._paneClipper.getInnerHeight(); - if (this.getHorizontalScrollBarVisible()) { - viewHeight += barWidth; - } - - // Get the (virtual) width and height of the pane - var paneWidth = this.getTablePaneModel().getTotalWidth(); - var paneHeight = this.getTable().getRowHeight() * this.getTable().getTableModel().getRowCount(); - - // Check which scrollbars are needed - var horNeeded = false; - var verNeeded = false; - if (paneWidth > viewWidth) { - horNeeded = true; - if (paneHeight > viewHeight - barWidth) { - verNeeded = true; - } - } else if (paneHeight > viewHeight) { - verNeeded = true; - if (!preventVertical && (paneWidth > viewWidth - barWidth)) { - horNeeded = true; - } - } - - // Create the mask - var horBar = qx.ui.table.TablePaneScroller.HORIZONTAL_SCROLLBAR; - var verBar = qx.ui.table.TablePaneScroller.VERTICAL_SCROLLBAR; - return ((forceHorizontal || horNeeded) ? horBar : 0) - | ((preventVertical || !verNeeded) ? 0 : verBar); -} - - -/** - * Does a postponed update of the content. - * - * @see #_updateContent - */ -qx.Proto._postponedUpdateContent = function() { - if (! this._updateContentPlanned) { - var self = this; - window.setTimeout(function() { - self._updateContent(); - self._updateContentPlanned = false; - qx.ui.core.Widget.flushGlobalQueues(); - }, 0); - this._updateContentPlanned = true; - } -} - - -/** - * Updates the content. Sets the right section the table pane should show and - * does the scrolling. - */ -qx.Proto._updateContent = function() { - var paneHeight = this._paneClipper.getInnerHeight(); - var scrollX = this._horScrollBar.getValue(); - var scrollY = this._verScrollBar.getValue(); - var rowHeight = this.getTable().getRowHeight(); - - var firstRow = Math.floor(scrollY / rowHeight); - var oldFirstRow = this._tablePane.getFirstVisibleRow(); - this._tablePane.setFirstVisibleRow(firstRow); - - var rowCount = Math.ceil(paneHeight / rowHeight); - var paneOffset = 0; - if (! this.getTable().getKeepFirstVisibleRowComplete()) { - // NOTE: We don't consider paneOffset, because this may cause alternating - // adding and deleting of one row when scolling. Instead we add one row - // in every case. - rowCount++; - paneOffset = scrollY % rowHeight; - } - this._tablePane.setVisibleRowCount(rowCount); - - if (firstRow != oldFirstRow) { - this._updateFocusIndicator(); - } - - // Workaround: We can't use scrollLeft for the header because IE - // automatically scrolls the header back, when a column is - // resized. - this._header.setLeft(-scrollX); - this._paneClipper.setScrollLeft(scrollX); - this._paneClipper.setScrollTop(paneOffset); - - //this.debug("paneHeight:"+paneHeight+",rowHeight:"+rowHeight+",firstRow:"+firstRow+",rowCount:"+rowCount+",paneOffset:"+paneOffset); -} - - -/** - * Updates the location and the visibility of the focus indicator. - */ -qx.Proto._updateFocusIndicator = function() { - if (this._focusedCol == null) { - this._focusIndicator.hide(); - } else { - var xPos = this.getTablePaneModel().getX(this._focusedCol); - if (xPos == -1) { - this._focusIndicator.hide(); - } else { - var columnModel = this.getTable().getTableColumnModel(); - var paneModel = this.getTablePaneModel(); - - var firstRow = this._tablePane.getFirstVisibleRow(); - var rowHeight = this.getTable().getRowHeight(); - - this._focusIndicator.setHeight(rowHeight + 3); - this._focusIndicator.setWidth(columnModel.getColumnWidth(this._focusedCol) + 3); - this._focusIndicator.setTop((this._focusedRow - firstRow) * rowHeight - 2); - this._focusIndicator.setLeft(paneModel.getColumnLeft(this._focusedCol) - 2); - - this._focusIndicator.show(); - } - } -} - - -// overridden -qx.Proto.dispose = function() { - if (this.getDisposed()) { - return true; - } - - if (this.getElement() != null) { - this.getElement().onselectstart = null; - } - - this._verScrollBar.dispose(); - this._horScrollBar.dispose(); - this._header.dispose(); - this._headerClipper.dispose(); - this._spacer.dispose(); - this._top.dispose(); - this._tablePane.dispose(); - this._paneClipper.dispose(); - - if (this._resizeLine != null) { - this._resizeLine.dispose(); - } - - this.removeEventListener("mousemove", this._onmousemove, this); - this.removeEventListener("mousedown", this._onmousedown, this); - this.removeEventListener("mouseup", this._onmouseup, this); - this.removeEventListener("click", this._onclick, this); - this.removeEventListener("dblclick", this._ondblclick, this); - this.removeEventListener("mouseout", this._onmouseout, this); - - var tablePaneModel = this.getTablePaneModel(); - if (tablePaneModel != null) { - tablePaneModel.removeEventListener("modelChanged", this._onPaneModelChanged, this); - } - - return qx.ui.layout.VerticalBoxLayout.prototype.dispose.call(this); -} - - -/** {int} The minimum width a colum could get in pixels. */ -qx.Class.MIN_COLUMN_WIDTH = 10; - -/** {int} The radius of the resize region in pixels. */ -qx.Class.RESIZE_REGION_RADIUS = 5; - -/** - * (int) The number of pixels the mouse may move between mouse down and mouse up - * in order to count as a click. - */ -qx.Class.CLICK_TOLERANCE = 5; - -/** - * (int) The mask for the horizontal scroll bar. - * May be combined with {@link #VERTICAL_SCROLLBAR}. - * - * @see #getNeededScrollBars - */ -qx.Class.HORIZONTAL_SCROLLBAR = 1; - -/** - * (int) The mask for the vertical scroll bar. - * May be combined with {@link #HORIZONTAL_SCROLLBAR}. - * - * @see #getNeededScrollBars - */ -qx.Class.VERTICAL_SCROLLBAR = 2; - -/** - * (string) The correct value for the CSS style attribute "cursor" for the - * horizontal resize cursor. - */ -qx.Class.CURSOR_RESIZE_HORIZONTAL = (qx.sys.Client.getInstance().isGecko() && (qx.sys.Client.getInstance().getMajor() > 1 || qx.sys.Client.getInstance().getMinor() >= 8)) ? "ew-resize" : "e-resize"; |