diff options
Diffstat (limited to 'webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/ui/form/ComboBoxEx.js')
-rw-r--r-- | webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/ui/form/ComboBoxEx.js | 1037 |
1 files changed, 1037 insertions, 0 deletions
diff --git a/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/ui/form/ComboBoxEx.js b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/ui/form/ComboBoxEx.js new file mode 100644 index 0000000000..03004689af --- /dev/null +++ b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/ui/form/ComboBoxEx.js @@ -0,0 +1,1037 @@ +/* ************************************************************************ + + 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: + * David Perez Carmona (david-perez), based on qx.ui.form.ComboBox + +************************************************************************ */ + +/* ************************************************************************ + +#module(ui_comboboxex) +#require(qx.ui.table.Table) +#embed(qx.widgettheme/arrows/down.gif) +#embed(qx.icontheme/16/actions/edit-find.png) +#embed(qx.icontheme/16/actions/dialog-ok.png) +#embed(qx.icontheme/16/actions/dialog-cancel.png) + +************************************************************************ */ + +/** + * An enhanced combo-box for qooxdoo. + * + * <p>Features:</p> + * <ul> + * <li>Editable text field</li> + * <li>Complete key-navigation</li> + * <li>Mouse wheel navigation</li> + * <li>Multicolumn display in list</li> + * <li>If more than one column, headers are automatically shown</li> + * <li>Can show the ID and/or description of each list item</li> + * <li>Automatically calculating needed width</li> + * <li>Popup list always shows full contents, and can be wider than text field</li> + * <li>Search values through popup dialog</li> + * <li>Internationalization support of messages</li> + * </ul> + * <p>Pending features:</p> + * <ul> + * <li>Images inside the list</li> + * <li>Autocomplete on key input</li> + * </ul> + * + * @event beforeInitialOpen {qx.event.type.Event} + */ +qx.OO.defineClass('qx.ui.form.ComboBoxEx', qx.ui.layout.HorizontalBoxLayout, function() { + qx.ui.layout.HorizontalBoxLayout.call(this); + + // ************************************************************************ + // POPUP + // ************************************************************************ + var p = this._popup = new qx.ui.popup.Popup; + p.setAppearance('combo-box-ex-popup'); + + // ************************************************************************ + // LIST + // ************************************************************************ + this._createList([ this.tr("ID"), this.tr("Description") ]); + + // ************************************************************************ + // FIELD + // ************************************************************************ + var f = this._field = new qx.ui.form.TextField; + f.setAppearance('combo-box-ex-text-field'); + f.addEventListener("input", this._oninput, this); + this.add(f); + this.setEditable(false); + + // ************************************************************************ + // BUTTON + // ************************************************************************ + + // Use qx.ui.basic.Atom instead of qx.ui.form.Button here to omit the registration + // of the unneeded and complex button events. + var b = this._button = new qx.ui.basic.Atom(null, "widget/arrows/down.gif"); + b.set({ + appearance: "combo-box-button", + tabIndex: -1 + }); + this.add(b); + + // ************************************************************************ + // BEHAVIOR + // ************************************************************************ + this.setTabIndex(1); + + // ************************************************************************ + // WIDGET MOUSE EVENTS + // ************************************************************************ + this.addEventListener("mousedown", this._onmousedown); + this.addEventListener("mouseup", this._onmouseup); + this.addEventListener("mousewheel", this._onmousewheel); + this.addEventListener("dblclick", function() { + if (this.getAllowSearch()) { + this.openSearchDialog(); + } + }); + + // ************************************************************************ + // WIDGET KEY EVENTS + // ************************************************************************ + this.addEventListener("keydown", this._onkeydown); + this.addEventListener("keypress", this._onkeypress); + + // ************************************************************************ + // WIDGET STATE EVENTS + // ************************************************************************ + this.addEventListener("beforeDisappear", this._testClosePopup); + + // ************************************************************************ + // CHILDREN EVENTS + // ************************************************************************ + this._popup.addEventListener("appear", this._onpopupappear, this); +}); + +/* +--------------------------------------------------------------------------- + PROPERTIES +--------------------------------------------------------------------------- +*/ + +qx.OO.changeProperty({ name : "appearance", type : "string", defaultValue : "combo-box-ex" }); + +/*!Is the text field component editable or the user can only select from the list?*/ +qx.OO.addProperty({ name: "editable", type: "boolean", getAlias: "isEditable" }); + +/*!0 based. -1 means no selected index. It retrieves always the value column of the selection, not the description.*/ +qx.OO.addProperty({ name: "value", type : "string" }); + +/*!How many items to transverse with PageUp and PageDn.*/ +qx.OO.addProperty({ name: "pagingInterval", type: "number", defaultValue: 10 }); + +/*!Show the ID column (column 0) of the selection data?*/ +qx.OO.addProperty({ name: "idColumnVisible", type: "boolean", getAlias: "isIdColumnVisible", defaultValue: false }); + +/*!Only used when editable is false. It determines what to show in the text field of the combo box.*/ +qx.OO.addProperty({ name: "showOnTextField", type: "string", defaultValue: 'description', possibleValues : [ 'description', 'idAndDescription' ] }); + +/*!Only used when editable is false and showOnTextField=='idAndDescription'.*/ +qx.OO.addProperty({ name: "idDescriptionSeparator", type: "string", defaultValue: '- ' }); + +/*!Ensures that always an item is selected (in case the selection isn't empty). Only used when editable is false.*/ +qx.OO.addProperty({ name: 'ensureSomethingSelected', type: "boolean", defaultValue: true }); + +/*!Allow the search dialog when double clicking the combo, or pressing special keys?.*/ +qx.OO.addProperty({ name: 'allowSearch', type: "boolean", defaultValue: true }); + +/*!Maximum number of visible rows in the popup list.*/ +qx.OO.addProperty({ name: 'maxVisibleRows', type: "number", defaultValue: 10 }); + + +/* +--------------------------------------------------------------------------- + UTILITIES +--------------------------------------------------------------------------- +*/ + +qx.Proto.getPopup = function() { + return this._popup; +} + +qx.Proto.getList = function() { + return this._list; +} + +qx.Proto.getField = function() { + return this._field; +} + +qx.Proto.getButton = function() { + return this._button; +} + +qx.Proto._getComboSetting = function(key) { + return qx.Settings.getValueOfClass('qx.ui.form.ComboBoxEx', key); +} + +/**Gets the current selected row of the selection. + * @return null if nothing selected or an array*/ +qx.Proto.getSelectedRow = function() { + var ind = this.getSelectedIndex(); + return ind < 0 ? null : this._model.getData()[ind]; +} + +/**Creates the list component.*/ +qx.Proto._createList = function(columns) { + this._model = new qx.ui.table.SimpleTableModel; + // Default column titles + this._model.setColumns(columns); + var l = this._list = new qx.ui.table.Table(this._model); + l.setFocusedCell = function() {} + l.setAppearance('combo-box-ex-list'); + // We receive this: Modification of property "keepFirstVisibleRowComplete" failed with exception: TypeError - vCurrentChild has no properties or + // this: Modification of property "keepFirstVisibleRowComplete" failed with exception: TypeError - this.getParent() has no properties + l.forceKeepFirstVisibleRowComplete(false); + var selMan = l._getSelectionManager(); + var oldHandle = selMan.handleMouseUp, me = this; + selMan.handleMouseUp = function(vItem, e) { + oldHandle.apply(selMan, arguments); + if (e.isLeftButtonPressed()) { + me._testClosePopup(); + } + } + this._modifyIdColumnVisible(this.getIdColumnVisible()); + this._manager = l.getSelectionModel(); + this._manager.addEventListener('changeSelection', this._onChangeSelection, this); + // Avoid deselection from user + this._manager.removeSelectionInterval = function() {}; + this._manager.setSelectionMode(qx.ui.table.SelectionModel.SINGLE_SELECTION); + this._popup.add(l); + // Invalidate calculation of column widths + delete this._calcDimensions; +} + + +/* +--------------------------------------------------------------------------- + PSEUDO-PROPERTIES +--------------------------------------------------------------------------- +*/ + +/**Sets the header for each column. + * @param columns {String[]}*/ +qx.Proto.setColumnHeaders = function(columns) { + if (!this._list || columns.length != this._model.getColumnCount()) { + if (this._list) { + var data = this._model.getData(); + this._list.setParent(null); + this._list.dispose(); + this._list = null; + } + this._createList(columns); + if (data && data.length) { + this._model.setData(data); + } + } else { + this._model.setColumns(columns); + this._list.getTableColumnModel().init(columns.length); + delete this._calcDimensions; + } + this._modifyIdColumnVisible(this.getIdColumnVisible()); +} + +/**Getter for {@link #setColumnHeaders}. + * @return {String[]}*/ +qx.Proto.getColumnHeaders = function(propVal) { + var cols = []; + cols.length = this._model.getColumnCount(); + for (var col = 0; col < cols.length; col++) { + cols[col] = this._model.getColumnName(col); + } + return cols; +} + +/**Sets the list of selectable items. + * @param data {var[][]} Array of values. Its value is an array, with the following info:<ul>. + * <li>Column 0 represents the ID, i.e. the value that is stored internally and used by the app.</li> + * <li>Column 1 represents the description, the text that the end user normally sees.</li> + * <li>Columns > 1 will also be shown in the popup list, it you have set the appropiate column headers with {@link #setColumnHeaders}.</li> + * </ul>*/ +qx.Proto.setSelection = function(data) { + // Invalidate calculation of column widths + delete this._calcDimensions; + this._model.setData(data); + // Try to preserve currently selected value + if (!this.getEditable()) { + this._modifyValue(this.getValue()); + } +} + +/**Getter for {@link #setSelection}. + * @return {Array}*/ +qx.Proto.getSelection = function() { + return this._model.getData(); +} + +/**Sets the index of the currently selected item in the list. + * @param index {number} -1 means no selected index*/ +qx.Proto.setSelectedIndex = function(index) { + var items = this.getSelection().length; + if (items >= 0) { + if (index < 0 && !this.getEditable() && this.getEnsureSomethingSelected()) { + index = 0; + } + if (index >= 0) { + index = qx.lang.Number.limit(index, 0, items-1); + this._manager.setSelectionInterval(index, index); + if (this._popup.isSeeable()) { + this._list.scrollCellVisible(0, index); + } + } else { + this._manager.clearSelection(); + } + } + return true; +} + +/**Getter for {@link #setSelectedIndex}.*/ +qx.Proto.getSelectedIndex = function() { + var index = this._manager.getAnchorSelectionIndex(); + return this._manager.isSelectedIndex(index) ? index:-1; +} + + +/* +--------------------------------------------------------------------------- + MODIFIER +--------------------------------------------------------------------------- +*/ + +qx.Proto._modifyShowOnTextField = function(propVal) { + if (!this.getEditable()) { + this.setSelectedIndex(this.getSelectedIndex()); + delete this._calcDimensions; // Invalidate this._neededTextFieldWidth + } + return true; +} + +qx.Proto._modifyMaxVisibleRows = function() { + delete this._calcDimensions; // Invalidate this._list.height + return true; +} + +qx.Proto._checkIdDescriptionSeparator = function(propVal) { + // For measuring widths, it is better to replace spaces with non-breakable spaces + return String(propVal).replace(/ /g, '\u00A0') +} + +qx.Proto._modifyIdDescriptionSeparator = function(propVal) { + if (!this.getEditable() && this.getShowOnTextField() == 'idAndDescription') { + this.setSelectedIndex(this.getSelectedIndex()); + delete this._calcDimensions; // Invalidate this._neededTextFieldWidth + } + return true; +} + +qx.Proto._modifyIdColumnVisible = function(propVal) { + this._list.getTableColumnModel().setColumnVisible(0, propVal); + delete this._calcDimensions; + return true; +} + +qx.Proto._modifyEditable = function(propValue/*, propOldValue, propData*/) { + var f = this._field; + f.setReadOnly(!propValue); + f.setCursor(propValue ? null : "default"); + f.setSelectable(propValue); + return true; +} + +qx.Proto._modifyValue = function(propValue/*, propOldValue, propData*/) { + this._fromValue = true; + + var values = this._model.getData(); + var i = -1; + if (propValue != null) { + for (var i = 0; i < values.length; i++) { + if (propValue == values[i][0]) { + break; + } + } + if (i == values.length) { + i = -1; + } + } + if (this.getEditable()) { + this._field.setValue(propValue); + } + // only do this if we called setValue separately + // and not from the property "selected". + if (!this._fromSelected) { + this.setSelectedIndex(i); + } + // reset hint + delete this._fromValue; + return true; +} + +qx.Proto._modifyEnabled = function(propValue/*, propOldValue, propData*/) { + if (this._button) { + this._button.setEnabled(propValue); + } + if (this._field) { + this._field.setEnabled(propValue); + } + return qx.ui.layout.HorizontalBoxLayout.prototype._modifyEnabled.apply(this, arguments); +} + + +/* +--------------------------------------------------------------------------- + POPUP HELPER +--------------------------------------------------------------------------- +*/ + +qx.Proto._oldSelected = null; + +qx.Proto._openPopup = function() { + if (this.isSearchInProgress()) { + return; + } + var p = this._popup; + p.setAutoHide(false); + var el = this.getElement(); + if (!p.isCreated()) { + this.createDispatchEvent("beforeInitialOpen"); + } + if (!this.getSelection().length) { + return; + } + p.positionRelativeTo(el, 1, qx.html.Dimension.getBoxHeight(el)); + this._calculateDimensions(); + p.setParent(this.getTopLevelWidget()); + p.auto(); + p.show(); + this._oldSelected = this.getSelectedIndex(); + window.setInterval(function() { + p.setAutoHide(true); + }, 0); +} + +/**Hide the popup list.*/ +qx.Proto._closePopup = function() { + this._popup.hide(); +} + +/**Hide the popup list only when needed.*/ +qx.Proto._testClosePopup = function() { + if (this._popup.isSeeable()) { + this._closePopup(); + } +} + +/**Toggle the visibility of the popup list.*/ +qx.Proto._togglePopup = function() { + this._popup.isSeeable() ? this._closePopup() : this._openPopup(); +} + +/* +--------------------------------------------------------------------------- + DIMENSIONING +--------------------------------------------------------------------------- +*/ + +/**Sizes the width of the text field component to the needed value to show any selection item.*/ +qx.Proto.sizeTextFieldToContent = function() { + this._calculateDimensions(); + this._field.setWidth(this._neededTextFieldWidth); +} + +/**Calculates the needed dimensions for the text field and list components*/ +qx.Proto._calculateDimensions = function() { + if (this._calcDimensions) { + // Already calculated + return; + } + var data = this.getSelection(); + var cols = this.getColumnHeaders(), nCols = cols.length; + var columnWidths = []; + this._neededTextFieldWidth = 0; + columnWidths.length = cols.length; + for (var col = 0; col < cols.length; col++) { + columnWidths[col] = 0; + } + var withDescript = this.getShowOnTextField() == 'idAndDescription'; + for (var row = 0, rows = Math.min(data.length, 50); row < rows; row++) { + var r = data[row], wi0, wi1; + for (col = 0; col < nCols; col++) { + var wi = this._getTextWidth(r[col]); + if (col == 0) { + wi0 = wi; + } else if (col == 1) { + wi1 = wi; + } + columnWidths[col] = Math.max(wi, columnWidths[col]); + } + this._neededTextFieldWidth = Math.max(this._neededTextFieldWidth, + wi1+(withDescript ? wi0:0)); + } + if (this.getShowOnTextField() == 'idAndDescription') { + this._neededTextFieldWidth += this._getTextWidth(this.getIdDescriptionSeparator()); + } + this._neededTextFieldWidth += 8; /*Extra margins*/ + var maxRows = this.getMaxVisibleRows(), + // Only assign room for the vertical scrollbar when needed + width = data.length > maxRows ? (new qx.ui.core.ScrollBar)._getScrollBarWidth():0, + colModel = this._list.getTableColumnModel(), + countVisible = 0; + + // ##Only show headers if we have more than 1 column visible + for (col = 0; col < nCols; col++) { + if (colModel.isColumnVisible(col)) { + countVisible++; + } + } + var hasHeaders = countVisible > 1; + this._list.getPaneScroller(0).getHeader().setHeight(hasHeaders ? 'auto' : 1); + + // ##Size each column + for (col = 0; col < nCols; col++) { + if (colModel.isColumnVisible(col)) { + var w = columnWidths[col]; + if (hasHeaders) { + w = Math.max(w, this._getTextWidth(cols[col])); + } + w += 8; + this._list.setColumnWidth(col, w); + width += w; + } + } + + // ##Final width and height + this._list.set({ + width: width, + height: this._list.getRowHeight()* + Math.min(maxRows, (hasHeaders ? 1:0)+data.length)+2+(hasHeaders ? 2:0) + }); + // This denotes dimensions are already calculated + this._calcDimensions = true; +} + +/**Calculates the width of the given text. + * The default font is used. + * @return {Integer}*/ +qx.Proto._getTextWidth = function(text) { + var lab = new qx.ui.basic.Label(text); + var res = lab.getPreferredBoxWidth(); + lab.dispose(); + return res; +} + + +/* +--------------------------------------------------------------------------- + SEARCHING +--------------------------------------------------------------------------- +*/ + +/**Does this combo have the searched dialog open?*/ +qx.Proto.isSearchInProgress = function() { + return !this._popup.contains(this._list); +} + +/**Searches the given text. Called from the search dialog. + * @param startIndex {number} Start index, 0 based + * @param txt {String} Text to find + * @param caseSens {Boolean} Case sensivity flag.*/ +qx.Proto._search = function(startIndex, txt, caseSens) { + if (txt == null || !txt.length) { + return; + } + var row = startIndex, + nCols = this._model.getColumnCount(), + nRows = this.getSelection().length, + data = this._model.getData(); + if (!caseSens) { + txt = txt.toLowerCase(); + } + var colModel = this._list.getTableColumnModel(); + while (true) { + var dataRow = data[row]; + if (dataRow) { + for (var col = 0; col < nCols; col++) { + if (colModel.isColumnVisible(col)) { + var txtCol = dataRow[col]; + if (!caseSens) { + txtCol = txtCol.toLowerCase(); + } + if (txtCol.indexOf(txt) >= 0) { + this._manager.setSelectionInterval(row, row); + this._list.scrollCellVisible(1, row); + return; + } + } + } + } + row = (row+1)% nRows; + if (row == startIndex) { + break; + } + } +} + +/**Opens a popup search dialog, useful when the combo has a lot of items. + * This dialog is triggered by double clicking the combo, pressing F3 or Ctrl+F.*/ +qx.Proto.openSearchDialog = function() { + var sel = this.getSelection(); + if (!sel || !sel.length || this.isSearchInProgress()) { + return; + } + this._testClosePopup(); + + var me = this, + oldSelectedIndex = this.getSelectedIndex(), + startIndex = oldSelectedIndex; + + //###searchField + function search() { + me._search(startIndex, searchField.getComputedValue(), checkCase.isChecked()); + } + var searchField = new qx.ui.form.TextField; + searchField.set({ + minWidth: this._field.getWidth(), + width: '100%' + }); + searchField.addEventListener("input", function() { + search(); + }); + + //###checkCase + var checkCase = new qx.ui.form.CheckBox(this.tr("Case sensitive")); + checkCase.set({ + horizontalAlign: 'center', + marginBottom: 4 + }); + + //###vbox + var vbox = new qx.ui.layout.VerticalBoxLayout; + vbox.set({ + spacing: 6, + horizontalChildrenAlign: 'center', + height: '100%' + }); + vbox.auto(); + vbox.add(searchField, checkCase); + + //###list, we reuse the same list in the popup + this._calculateDimensions(); + var border = qx.renderer.border.BorderPresets.getInstance().inset; + var newListSettings = { + /*minHeight: border.getTopWidth()+this._list.getHeight()+border.getBottomWidth(), + height: '1*',*/ + height: border.getTopWidth()+this._list.getHeight()+border.getBottomWidth(), + width: border.getLeftWidth()+this._list.getWidth()+border.getRightWidth(), + border: border, + parent: vbox + }; + // Save old list settings + var oldListSettings = {}; + for (var prop in newListSettings) { + oldListSettings[prop] = this._list[qx.OO.getter[prop]](); + } + this._list.set(newListSettings); + + //###buttons + var butNext = new qx.ui.form.Button('', 'icon/16/actions/edit-find.png'); + butNext.set({ + toolTip: new qx.ui.popup.ToolTip(this.tr("Search next occurrence")) + }); + butNext.addEventListener("execute", function() { + startIndex = (this.getSelectedIndex()+1) % sel.length; + search(); + }, this); + + var butOk = new qx.ui.form.Button('', 'icon/16/actions/dialog-ok.png'); + butOk.addEventListener('execute', function() { + oldSelectedIndex = null; + win.close(); + }, this); + + var butCancel = new qx.ui.form.Button('', 'icon/16/actions/dialog-cancel.png'); + butCancel.addEventListener('execute', function() { + win.close(); + }, this); + + var butBox = new qx.ui.layout.VerticalBoxLayout; + butBox.auto(); + butBox.set({ + spacing: 10 + }); + butBox.add(butNext, butOk, butCancel); + + //###hbox + var hbox = new qx.ui.layout.BoxLayout; + hbox.auto(); + hbox.setPadding(10); + hbox.set({ + spacing: 8, + minHeight: 'auto', + height: '100%' + }); + hbox.add(vbox, butBox); + + //###Window + var win = new qx.ui.window.Window(this.tr("Search items in list"), 'icon/16/actions/edit-find.png'); + win.add(hbox); + win.positionRelativeTo(this); + win.set({ + autoHide: true, + allowMaximize: false, + showMaximize: false, + allowMinimize: false, + showMinimize: false + }); + win.addEventListener("appear", function() { + searchField.focus(); + }); + win.addEventListener("disappear", function() { + if (oldSelectedIndex != null) { + // Hit Cancel button + this.setSelectedIndex(oldSelectedIndex); + } + this._list.set(oldListSettings); + this.focus(); + }, this); + win.addEventListener("keydown", function(e) { + switch (e.getKeyIdentifier()) { + case "Enter": + butOk.createDispatchEvent('execute'); + break; + case "Escape": + butCancel.createDispatchEvent('execute'); + break; + case "F3": + butNext.createDispatchEvent('execute'); + break; + default: + return; + } + e.preventDefault(); + }, this); + win.auto(); + win.addToDocument(); + win.open(); +} + +/* +--------------------------------------------------------------------------- + OTHER EVENT HANDLER +--------------------------------------------------------------------------- +*/ + +qx.Proto._onChangeSelection = function(e) { + this._fromSelected = true; + + // only do this if we called setValue separately + // and not from the event "input". + if (!this._fromInput) { + var index = this.getSelectedIndex(); + if (index >= 0) { + var row = this._model.getData()[index]; + } + if (row || !this.getEditable()) { + this.setValue(row && row[0]); + } + // In case of editable, this.setValue() already calls this._field.setValue() + if (!this.getEditable()) { + var val = ""; + if (row) { + val = this.getShowOnTextField() == 'description' ? + row[1] : + (row[0] != null && row[0] != '' ? row[0] + this.getIdDescriptionSeparator() + row[1]:row[1]); + } + this._field.setValue(val); + } + } + // reset hint + delete this._fromSelected; +} + +qx.Proto._onpopupappear = function(e) { + var index = this.getSelectedIndex(); + if (index >= 0) { + this._list.scrollCellVisible(0, index); + } +} + +qx.Proto._oninput = function(e) { + // Hint for modifier + this._fromInput = true; + this.setValue(this._field.getComputedValue()); + delete this._fromInput; +} + + +/* +--------------------------------------------------------------------------- + MOUSE EVENT HANDLER +--------------------------------------------------------------------------- +*/ + +qx.Proto._onmousedown = function(e) { + switch(e.getTarget()) { + case this._field: + if (this.getEditable()) { + break; + } + // no break here + case this._button: + this._button.addState("pressed"); + this._togglePopup(); + // Assure we receive the mouse up event + this.setCapture(true); + break; + } +} + +qx.Proto._onmouseup = function(e) { + switch(e.getTarget()) { + case this._field: + if (this.getEditable()) { + break; + } + // no break here + default: + this._button.removeState("pressed"); + break; + } + this.setCapture(false); +} + +qx.Proto._onmousewheel = function(e) { + if (!this._popup.isSeeable()) { + this.setSelectedIndex(Math.max(0, this.getSelectedIndex()+(e.getWheelDelta() < 0 ? -1:1))); + } +} + + +/* +--------------------------------------------------------------------------- + KEY EVENT HANDLER +--------------------------------------------------------------------------- +*/ + +qx.Proto._onkeydown = function(e) { + var vVisible = this._popup.isSeeable(); + + switch (e.getKeyIdentifier()) { + case "Enter": + if (vVisible) { + this._closePopup(); + this.setFocused(true); + } else { + this._openPopup(); + } + break; + + case "Escape": + if (vVisible) { + this.setSelectedIndex(this._oldSelected); + this._closePopup(); + this.setFocused(true); + } + break; + + case "Home": + this.setSelectedIndex(0); + break; + + case "End": + var items = this.getSelection().length; + if (items) { + this.setSelectedIndex(items-1); + } + break; + + case "Down": + if (e.isAltPressed()) { + this._togglePopup(); + } + break; + + case "F3": + if (this.getAllowSearch()) { + this.openSearchDialog(); + } + break; + + case "F": + if (e.isCtrlPressed()) { + if (this.getAllowSearch()) { + this.openSearchDialog(); + } + break; + } + return; + + default: + if (vVisible) { + this._list.dispatchEvent(e); + } + return; + } + e.preventDefault(); +} + + +qx.Proto._onkeypress = function(e) { + var vVisible = this._popup.isSeeable(); + + switch (e.getKeyIdentifier()) { + case "Up": + this.setSelectedIndex(Math.max(0, this.getSelectedIndex()-1)); + break; + + case "Down": + this.setSelectedIndex(Math.max(0, this.getSelectedIndex()+1)); + break; + + case "PageUp": + this.setSelectedIndex(Math.max(0, this.getSelectedIndex()-this.getPagingInterval())); + break; + + case "PageDown": + this.setSelectedIndex(this.getSelectedIndex()+this.getPagingInterval()); + break; + + default: + if (vVisible) { + this._list.dispatchEvent(e); + } + return; + } + e.preventDefault(); + + if (!this.isEditable() && this._list.isSeeable()) { + this._list.dispatchEvent(e); + } + +} + + +/* +--------------------------------------------------------------------------- + FOCUS HANDLING +--------------------------------------------------------------------------- +*/ + +qx.Proto._visualizeBlur = function() { + // Force blur, even if mouseFocus is not active because we + // need to be sure that the previous focus rect gets removed. + // But this only needs to be done, if there is no new focused element. + if (qx.core.Client.getInstance().isMshtml()) { + if (this.getEnableElementFocus() && !this.getFocusRoot().getFocusedChild()) { + try { + if (this.getEditable()) { + this.getField().getElement().blur(); + } else { + this.getElement().blur(); + } + } + catch(ex) {}; + } + } else { + if (this.getEnableElementFocus()) { + try { + if (this.getEditable()) { + this.getField().getElement().blur(); + } else if (!this.getFocusRoot().getFocusedChild()) { + this.getElement().blur(); + } + } + catch(ex) {}; + } + } + this.removeState("focused"); + return true; +} + +qx.Proto._visualizeFocus = function() { + if (!qx.event.handler.FocusHandler.mouseFocus && this.getEnableElementFocus()) { + try { + if (this.getEditable()) { + this.getField().getElement().focus(); + this.getField()._ontabfocus(); + } else { + this.getElement().focus(); + } + } catch(ex) { + } + } + this.addState("focused"); + return true; +} + +/* +--------------------------------------------------------------------------- + DISPOSE +--------------------------------------------------------------------------- +*/ + +qx.Proto.dispose = function() { + if (this.getDisposed()) { + return; + } + + // ************************************************************************ + // WIDGET MOUSE EVENTS + // ************************************************************************ + this.removeEventListener("mousedown", this._onmousedown); + this.removeEventListener("mouseup", this._onmouseup); + this.removeEventListener("mousewheel", this._onmousewheel); + + + // ************************************************************************ + // WIDGET KEY EVENTS + // ************************************************************************ + this.removeEventListener("keydown", this._onkeydown); + this.removeEventListener("keypress", this._onkeypress); + + + this._model = null; + if (this._manager) { + this._manager.removeEventListener('changeSelection', this._onChangeSelection); + this._manager = null; + } + if (this._list) { + this._list.dispose(); + this._list = null; + } + if (this._popup) { + this._popup.removeEventListener("appear", this._onpopupappear, this); + this._popup.dispose(); + this._popup = null; + } + if (this._field) { + if (this.getEditable()) { + this._field.removeEventListener("input", this._oninput, this); + } + this._field.dispose(); + this._field = null; + } + if (this._button) { + this._button.dispose(); + this._button = null; + } + return qx.ui.layout.HorizontalBoxLayout.prototype.dispose.call(this); +} |