Author: abelevich Date: 2007-05-21 07:19:07 -0400 (Mon, 21 May 2007) New Revision: 813 Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java Removed: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java Log: Deleted: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java 2007-05-21 11:18:50 UTC (rev 812) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java 2007-05-21 11:19:07 UTC (rev 813) @@ -1,435 +0,0 @@ -package org.richfaces.renderkit.html; - -import java.io.IOException; -import java.util.Map; - -import javax.faces.component.UIComponent; -import javax.faces.context.ExternalContext; -import javax.faces.context.FacesContext; -import javax.faces.context.ResponseWriter; -import javax.faces.model.DataModel; - -import org.ajax4jsf.ajax.repeat.DataVisitor; -import org.ajax4jsf.framework.ajax.AjaxContext; -import org.ajax4jsf.framework.ajax.AjaxEvent; -import org.ajax4jsf.framework.renderer.AjaxRendererUtils; -import org.ajax4jsf.framework.renderer.ComponentVariables; -import org.ajax4jsf.framework.renderer.ComponentsVariableResolver; -import org.ajax4jsf.framework.renderer.RendererBase; -import org.ajax4jsf.framework.renderer.RendererUtils.HTML; -import org.ajax4jsf.framework.util.javascript.JSFunction; -import org.richfaces.component.UIScrollableGrid; -import org.richfaces.component.UIScrollableGridColumn; -import org.richfaces.renderkit.CompositeRenderer; -import org.richfaces.utils.TemplateLoader; - - - -/** - * @author Anton Belevich - * - */ - -public abstract class ScrollableGridBaseRenderer extends CompositeRenderer { - - private final String FOOTER_PART = "footer"; - - private final String HEADER_PART = "header"; - - private final String CELL_ID_PREFFIX ="bc_"; - - private final String COLUMN_FROZEN_TYPE = "frozen"; - - private final String COLUMN_NORMAL_TYPE = "normal"; - - private RendererBase cellTemplate = null; - - - - private final ColumnVisitor headerFooterRenderer = new ExtendedColumnVisitor(){ - - - public int visit(FacesContext context, UIScrollableGridColumn column, - ResponseWriter writer, GridRendererState state) throws IOException { - - renderContent(context, column, writer, state); - - if(state.isFrozenColumn()){ - int i = state.getFrozenColumnCount(); - state.setFrozenColumnCount(i-1); - } - - return 1; - } - - public void renderContent(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { - - writer.startElement(HTML.td_ELEM, column); - String frozen = Boolean.toString(state.isFrozenColumn()); - getUtils().writeAttribute(writer, "frozen",frozen ); - getUtils().writeAttribute(writer, "width",column.getAttributes().get("width")); - writer.writeText("\n", null); - - if(state.isHeader() && (column.getFacet(HEADER_PART) != null)){ - - UIComponent component = column.getFacet(HEADER_PART); - renderChild(context, component); - - }else if(!state.isHeader()&& (column.getFacet(FOOTER_PART) != null)){ - - UIComponent component = column.getFacet(FOOTER_PART); - renderChild(context, component); - - } - - writer.endElement(HTML.td_ELEM); - writer.writeText("\n", null); - } - }; - - private final ColumnVisitor cellRenderer = new ExtendedColumnVisitor(){ - - public int visit(FacesContext context, UIScrollableGridColumn column, - ResponseWriter writer, GridRendererState state) throws IOException { - - - if(state.isFrozenColumn()){ - int i = state.getFrozenColumnCount(); - state.setFrozenColumnCount(i-1); - if(state.isFrozenPart()){ - renderContent(context, column, writer,state); - } - }else if(!state.isFrozenColumn()&& !state.isFrozenPart()){ - renderContent(context, column, writer,state); - } - - return 0; - } - - public void renderContent(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { - - String cell_id = state.getColumnType()+ ":" + state.getRowIndex()+ ":" + state.getCellIndex(); - String client_id = state.getClientId(); - - cellTemplate = getCellTemplate(); - ComponentVariables variables = ComponentsVariableResolver.getVariables(cellTemplate, column); - variables.setVariable("cell_id",cell_id); - variables.setVariable("client_id", client_id); - cellTemplate.encodeBegin(context, column); - renderChildren(context, column); - cellTemplate.encodeEnd(context, column); - } - - }; - - private final DataVisitor rowsRenderer = new DataVisitor(){ - - public void process(FacesContext context, Object rowIndex, Object argument) throws IOException { - - GridRendererState state = (GridRendererState)argument; - UIScrollableGrid grid = state.getGrid(); - - grid.setRowKey(rowIndex); - - if(grid.isRowAvailable()){ - - int index = ((Integer)rowIndex).intValue(); - state.setRowIndex(index); - String row_id = state.getClientId() + ":" + "row_" + state.getColumnType() + ":" + index; - ResponseWriter writer = context.getResponseWriter(); - writer.startElement(HTML.TR_ELEMENT, grid); - state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); - getUtils().writeAttribute(writer, "id",row_id); - getUtils().writeAttribute(writer, "class","ClientUI_Grid_BR"); - ColumnWalker.iterateOverColumns(context, grid, cellRenderer, writer, state); - writer.endElement(HTML.TR_ELEMENT); - - } - } - }; - - private final ColumnVisitor ajaxCellRenderer = new ColumnVisitor(){ - - public int visit(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { - - writer.startElement(HTML.SPAN_ELEM, column); - String columnWidth = (String)column.getAttributes().get("width"); - String cell_id = state.getClientId() + ":" + state.getCellIdPrefix() + ":" + state.getRowIndex()+":" + state.getCellIndex(); - getUtils().writeAttribute(writer, "id",cell_id); - getUtils().writeAttribute(writer, "class", "ClientUI_Grid_BCBody"); - getUtils().writeAttribute(writer, "style", "width:" + columnWidth); - renderChildren(context, column); - writer.endElement(HTML.SPAN_ELEM); - AjaxContext ajaxContext = state.getAjaxContext(); - ajaxContext.addRenderedArea(cell_id); - - return 0; - } - - }; - - private final DataVisitor ajaxRowsRenderer = new DataVisitor(){ - - public void process(FacesContext context, Object rowKey, Object argument) throws IOException { - - GridRendererState state = (GridRendererState)argument; - UIScrollableGrid grid = state.getGrid(); - grid.setRowKey(rowKey); - ResponseWriter writer = context.getResponseWriter(); - state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); - ColumnWalker.iterateOverColumns(context, grid, ajaxCellRenderer, writer, state); - state.nextRow(); - } - }; - - protected String getJavaScriptVarName(FacesContext context, UIScrollableGrid grid) { - String id = grid.getBaseClientId(context); -// setUpScriptModel(context, grid); - return "Richfaces_ScrollableGrid_" + id.replaceAll("[^A-Za-z0-9_]", "_"); - } - - protected String getScriptContributions(FacesContext context, UIScrollableGrid grid) { - return super.getScriptContributions(getJavaScriptVarName(context, grid), context, grid); - } - - public boolean getRendersChildren() { - return true; - } - - protected void doEncodeChildren(ResponseWriter writer, FacesContext context, - UIComponent component) throws IOException { - if(component instanceof UIScrollableGrid){ - renderGridBody(context, (UIScrollableGrid)component, writer); - } - } - - public void renderGridBody(FacesContext context, UIScrollableGrid component,ResponseWriter writer) throws IOException{ - - final UIScrollableGrid grid = component; - - final GridRendererState state = GridRendererState.getRendererState(context); - - - writer.startElement(HTML.DIV_ELEM, grid); - getUtils().writeAttribute(writer, "class","GridDataColumns"); - getUtils().writeAttribute(writer, "id","FrozenBox"); - getUtils().writeAttribute(writer, "style","position: absolute; left: 0px; top: 0px; display: block; width: 100px"); - writer.writeText("\n", null); - writer.startElement("table", grid); - getUtils().writeAttribute(writer, "id","GridDataFrozen"); - getUtils().writeAttribute(writer, "cellpadding","0"); - getUtils().writeAttribute(writer, "cellspacing","0"); - getUtils().writeAttribute(writer, "style","position: absolute; left: 0px; top: 0px; display: block; width: 100%"); - writer.writeText("\n", null); - writer.startElement("tbody", grid); - state.setGrid(grid); - state.setClientId(grid.getClientId(context)); - - state.setFrozenPart(true); - state.setColumType(COLUMN_FROZEN_TYPE); - - grid.walk(context, rowsRenderer, state); - - writer.endElement("tbody"); - writer.endElement("table"); - writer.endElement(HTML.DIV_ELEM); - - writer.startElement(HTML.DIV_ELEM, grid); - getUtils().writeAttribute(writer, "class","GridDataColumns"); - getUtils().writeAttribute(writer, "id","NormalBox"); - getUtils().writeAttribute(writer, "style","position: absolute; left: 300px; top: 0px; display: block; width: 700px"); - writer.writeText("\n", null); - writer.startElement("table", grid); - getUtils().writeAttribute(writer, "id","GridDataNormal"); - getUtils().writeAttribute(writer, "cellpadding","0"); - getUtils().writeAttribute(writer, "cellspacing","0"); - getUtils().writeAttribute(writer, "style","position: absolute; left: 0px; top: 0px; display: block; width: 100%"); - writer.writeText("\n", null); - - state.setColumType(COLUMN_NORMAL_TYPE); - state.setFrozenPart(false); - - grid.walk(context, rowsRenderer, state); - - writer.endElement("tbody"); - writer.endElement("table"); - writer.endElement(HTML.DIV_ELEM); - grid.setRowKey(null); - - } - - public void renderHeaders(FacesContext context, UIScrollableGrid component - )throws IOException{ - - ResponseWriter writer = context.getResponseWriter(); - final GridRendererState state = GridRendererState.getRendererState(context); - state.setFrozenColumnCount(((Integer)component.getAttributes().get("frozenColCount")).intValue()); - - writer.startElement(HTML.TR_ELEMENT, component); - writer.writeText("\n", null); - state.setHeader(true); - ColumnWalker.iterateOverColumns(context, component, headerFooterRenderer, writer, state); - - writer.endElement(HTML.TR_ELEMENT); - writer.writeText("\n", null); - - } - - public void renderFooters(FacesContext context, UIScrollableGrid component - ) throws IOException{ - - ResponseWriter writer = context.getResponseWriter(); - final GridRendererState state = GridRendererState.getRendererState(context); - state.setFrozenColumnCount(((Integer)component.getAttributes().get("frozenColCount")).intValue()); - - writer.startElement(HTML.TR_ELEMENT, component); - writer.writeText("\n", null); - - state.setHeader(false); - - int colsCount = ColumnWalker.iterateOverColumns(context, component, headerFooterRenderer, writer, state); - int rowsCount = component.getRowCount(); - - ComponentVariables variables = ComponentsVariableResolver.getVariables(this, component); - variables.setVariable("rows_count", new Integer(rowsCount)); - variables.setVariable("columns_count", new Integer(colsCount)); - - writer.endElement(HTML.TR_ELEMENT); - writer.writeText("\n", null); - - } - - public void setUpState(FacesContext context, UIScrollableGrid grid) { - GridRendererState.createState(context, grid); - } - - public void tearDownState(FacesContext context){ - GridRendererState.restoreState(context); - } - - public String getRowsAjaxUpdate(FacesContext context, UIScrollableGrid grid){ - JSFunction function = AjaxRendererUtils.buildAjaxFunction(grid, context); - Map options = AjaxRendererUtils.buildEventOptions(context, grid); - - function.addParameter(options); - String completeFunction = function.toScript()+"; return false;"; - return completeFunction; - } - - protected void doDecode(FacesContext context, UIComponent component) { - - super.doDecode(context, component); - - if(component instanceof UIScrollableGrid){ - - UIScrollableGrid grid = (UIScrollableGrid)component; - ExternalContext externalContext = context.getExternalContext(); - String clientId = grid.getClientId(context) + "_state_input"; - - Map parameters = externalContext.getRequestParameterMap(); - if(parameters.containsKey(clientId)){ - String submitedState = (String)parameters.get(clientId); - String [] values = submitedState.split(","); - - grid.setRow_count(new Integer(Integer.parseInt(values[0]))); - grid.setDataIndex(new Integer(Integer.parseInt(values[1]))); - grid.setStartRow(new Integer(Integer.parseInt(values[2]))); - grid.queueEvent(new AjaxEvent(grid)); - } - - } - } - - - public void renderAjaxChildren(FacesContext context, UIComponent component)throws IOException{ - - UIScrollableGrid grid = (UIScrollableGrid)component; - grid.setFirst(grid.getDataIndex().intValue()); - grid.setRows(grid.getRow_count().intValue()); - int start_row = grid.getStartRow().intValue(); - - //remode scripts - AjaxContext ajaxContext = AjaxContext.getCurrentInstance(context); - String client_id = grid.getClientId(context); - String script_id = client_id + "_model_create_scripts"; - ajaxContext.removeRenderedArea(client_id); - ajaxContext.removeRenderedArea(script_id); - script_id = client_id + "_model_create_scripts"; - ajaxContext.removeRenderedArea(script_id); - - GridRendererState state = GridRendererState.createState(context, grid); - state.setClientId(client_id); - state.setAjaxContext(ajaxContext); - state.setRowIndex(start_row); - state.setFrozenPart(true); - state.setCellIdPrefix(CELL_ID_PREFFIX + COLUMN_FROZEN_TYPE); - - grid.walk(context, ajaxRowsRenderer, state); - - state.setRowIndex(start_row); - grid.setFirst(grid.getDataIndex().intValue()); - grid.setRows(grid.getRow_count().intValue()); - state.setFrozenPart(false); - state.setCellIdPrefix(CELL_ID_PREFFIX + COLUMN_NORMAL_TYPE); - grid.walk(context, ajaxRowsRenderer, state); - } - - public void encodeChildren(FacesContext context, UIComponent component - ) throws IOException { - AjaxContext ajaxContext = AjaxContext.getCurrentInstance(); - if(ajaxContext.isAjaxRequest()){ - renderAjaxChildren(context, component); - }else{ - super.encodeChildren(context, component); - } - } - - - public void encodeBegin(FacesContext context, UIComponent component) throws IOException { - - if(component instanceof UIScrollableGrid){ - UIScrollableGrid grid = (UIScrollableGrid)component; - setUpState(context, grid); - } - - AjaxContext ajaxContext = AjaxContext.getCurrentInstance(); - if(ajaxContext.isAjaxRequest()){ - }else{ - super.encodeBegin(context, component); - } - } - - public void encodeEnd(FacesContext context, UIComponent component) throws IOException { - - AjaxContext ajaxContext = AjaxContext.getCurrentInstance(); - if(ajaxContext.isAjaxRequest()){ - }else{ - super.encodeEnd(context, component); - } - } - - public void setUpScriptModel(FacesContext context, UIScrollableGrid grid) throws IOException{ - - DataModel dataModel = grid.getStoredDataModel(); - Integer rows_count = new Integer(dataModel.getRowCount()); - - ColumnVisitor visitor = new ColumnVisitor(){ - public int visit(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { - return 1; - } - }; - - Integer columns_count = new Integer(ColumnWalker.iterateOverColumns(context, grid, visitor, null, null)); - ComponentVariables variables = ComponentsVariableResolver.getVariables(this, grid); - variables.setVariable("rows_count", rows_count); - variables.setVariable("column_count", columns_count); - } - - private RendererBase getCellTemplate() { - if (cellTemplate == null) { - cellTemplate = TemplateLoader.loadTemplate("org.richfaces.renderkit.html.ScrollableGridCellRenderer"); - } - - return cellTemplate; - } -} Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java (rev 0) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java 2007-05-21 11:19:07 UTC (rev 813) @@ -0,0 +1,426 @@ +package org.richfaces.renderkit.html; + +import java.io.IOException; +import java.util.Map; + +import javax.faces.component.UIComponent; +import javax.faces.context.ExternalContext; +import javax.faces.context.FacesContext; +import javax.faces.context.ResponseWriter; + +import org.ajax4jsf.ajax.repeat.DataVisitor; +import org.ajax4jsf.framework.ajax.AjaxContext; +import org.ajax4jsf.framework.ajax.AjaxEvent; +import org.ajax4jsf.framework.renderer.AjaxRendererUtils; +import org.ajax4jsf.framework.renderer.ComponentVariables; +import org.ajax4jsf.framework.renderer.ComponentsVariableResolver; +import org.ajax4jsf.framework.renderer.RendererBase; +import org.ajax4jsf.framework.renderer.RendererUtils.HTML; +import org.ajax4jsf.framework.util.javascript.JSFunction; +import org.richfaces.component.UIScrollableGrid; +import org.richfaces.component.UIScrollableGridColumn; +import org.richfaces.renderkit.CompositeRenderer; +import org.richfaces.utils.TemplateLoader; + + + +/** + * @author Anton Belevich + * + */ + +public abstract class ScrollableGridBaseRenderer extends CompositeRenderer { + + private final String FOOTER_PART = "footer"; + + private final String HEADER_PART = "header"; + + private final String CELL_ID_PREFFIX ="bc_"; + + private final String COLUMN_FROZEN_TYPE = "frozen"; + + private final String COLUMN_NORMAL_TYPE = "normal"; + + private RendererBase cellTemplate = null; + + private RendererBase headerCellTemplate = null; + + private RendererBase footerCellTemplate = null; + + private final ColumnVisitor columnsWidthCounter = new ColumnVisitor(){ + + public int visit(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { + + int prevWidth = 0; + int width = 0; + + + String widthPx = (String)column.getAttributes().get("width"); + prevWidth = state.getSumWidth(); + + if(widthPx.endsWith("px")){ + width = prevWidth + Integer.parseInt(widthPx.substring(0, widthPx.indexOf("px"))); + } + + state.setSumWidth(width); + return 1; + } + }; + + private final ColumnVisitor headerCellRenderer = new ExtendedColumnVisitor(){ + + public void renderContent(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { + + + int cell_index = state.getCellIndex(); + String client_id = state.getClientId(); + + headerCellTemplate = getHeaderCellTemplate(); + + ComponentVariables variables = ComponentsVariableResolver.getVariables(headerCellTemplate, column); + String widthPx = (String)column.getAttributes().get("width"); + int width = Integer.parseInt(widthPx.substring(0, widthPx.indexOf("px"))); + + + int sepOffset = 0; + + if(state.isFrozenColumn()){ + sepOffset = state.getSepOffset().intValue() + width; + }else{ + sepOffset = state.getSepOffset().intValue() + width + 1; + state.setSepOffset(new Integer(sepOffset)); + } + + variables.setVariable("client_id", client_id); + variables.setVariable("cell_index", new Integer(cell_index)); + variables.setVariable("sepOffset", new Integer(sepOffset)); + + headerCellTemplate.encodeBegin(context, column); + UIComponent component = column.getFacet(HEADER_PART); + if(component != null){ + renderChild(context, component); + } + headerCellTemplate.encodeEnd(context, column); + + + } + }; + + private final ColumnVisitor footerCellRenderer = new ExtendedColumnVisitor(){ + + public void renderContent(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { + + int cell_index = state.getCellIndex(); + String client_id = state.getClientId(); + + footerCellTemplate = getFooterCellTemplate(); + + ComponentVariables variables = ComponentsVariableResolver.getVariables(footerCellTemplate, column); + variables.setVariable("client_id", client_id); + variables.setVariable("cell_index", new Integer(cell_index)); + + footerCellTemplate.encodeBegin(context, column); + UIComponent component = column.getFacet(FOOTER_PART); + if(component != null){ + renderChild(context, component); + } + footerCellTemplate.encodeEnd(context, column); + + } + }; + + private final ColumnVisitor cellRenderer = new ExtendedColumnVisitor(){ + + public void renderContent(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { + + String cell_id = state.getRowIndex()+ "_" + state.getCellIndex(); + String client_id = state.getClientId(); + int cell_index = state.getCellIndex(); + cellTemplate = getCellTemplate(); + + ComponentVariables variables = ComponentsVariableResolver.getVariables(cellTemplate, column); + variables.setVariable("cell_id",cell_id); + variables.setVariable("client_id", client_id); + variables.setVariable("cell_index", new Integer(cell_index)); + + cellTemplate.encodeBegin(context, column); + renderChildren(context, column); + cellTemplate.encodeEnd(context, column); + } + + }; + + private final DataVisitor rowsRenderer = new DataVisitor(){ + + public void process(FacesContext context, Object rowIndex, Object argument) throws IOException { + + GridRendererState state = (GridRendererState)argument; + UIScrollableGrid grid = state.getGrid(); + + grid.setRowKey(rowIndex); + + if(grid.isRowAvailable()){ + + int index = ((Integer)rowIndex).intValue(); + state.setRowIndex(index); + String row_id = "row_" + index; + ResponseWriter writer = context.getResponseWriter(); + writer.startElement(HTML.TR_ELEMENT, grid); + state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); + getUtils().writeAttribute(writer, "id",row_id); + getUtils().writeAttribute(writer, "class","ClientUI_Grid_BR"); + ColumnWalker.iterateOverColumns(context, grid, cellRenderer, writer, state); + writer.endElement(HTML.TR_ELEMENT); + + } + } + }; + + private final ColumnVisitor ajaxCellRenderer = new ExtendedColumnVisitor(){ + + public int visit(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { + int i = state.getFrozenColumnCount(); + state.setFrozenColumnCount(i-1); + renderContent(context, column, writer,state); + + return 1; + } + + public void renderContent(FacesContext context, UIScrollableGridColumn column, ResponseWriter writer, GridRendererState state) throws IOException { + writer.startElement(HTML.SPAN_ELEM, column); + String columnWidth = (String)column.getAttributes().get("width"); + + String cell_id = state.getClientId() + ":" + CELL_ID_PREFFIX+ state.getRowIndex()+ "_" + state.getCellIndex(); + getUtils().writeAttribute(writer, "id",cell_id); + getUtils().writeAttribute(writer, "class", "ClientUI_Grid_BCBody"); + getUtils().writeAttribute(writer, "style", "width:" + columnWidth); + renderChildren(context, column); + writer.endElement(HTML.SPAN_ELEM); + AjaxContext ajaxContext = state.getAjaxContext(); + ajaxContext.addRenderedArea(cell_id); + } + + }; + + private final DataVisitor ajaxRowsRenderer = new DataVisitor(){ + + public void process(FacesContext context, Object rowKey, Object argument) throws IOException { + + GridRendererState state = (GridRendererState)argument; + UIScrollableGrid grid = state.getGrid(); + grid.setRowKey(rowKey); + ResponseWriter writer = context.getResponseWriter(); + state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); + ColumnWalker.iterateOverColumns(context, grid, ajaxCellRenderer, writer, state); + state.nextRow(); + } + }; + + protected String getJavaScriptVarName(FacesContext context, UIScrollableGrid grid) { + String id = grid.getBaseClientId(context); + return "Richfaces_ScrollableGrid_" + id.replaceAll("[^A-Za-z0-9_]", "_"); + } + + protected String getScriptContributions(FacesContext context, UIScrollableGrid grid) { + return super.getScriptContributions(getJavaScriptVarName(context, grid), context, grid); + } + + public boolean getRendersChildren() { + return true; + } + + public void renderGridBody(FacesContext context, UIScrollableGrid grid, boolean isFrozen) throws IOException{ + + final GridRendererState state = GridRendererState.getRendererState(context); + + if(isFrozen){ + state.setColumType(COLUMN_FROZEN_TYPE); + }else{ + state.setColumType(COLUMN_NORMAL_TYPE); + } + + state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); + state.setFrozenPart(isFrozen); + state.setClientId(grid.getClientId(context)); + grid.walk(context, rowsRenderer, state); + grid.setRowKey(null); + } + + public void renderHeaders(FacesContext context, UIScrollableGrid grid, boolean isFrozen)throws IOException{ + + ResponseWriter writer = context.getResponseWriter(); + final GridRendererState state = GridRendererState.getRendererState(context); + + if(isFrozen){ + state.setColumType(COLUMN_FROZEN_TYPE); + }else{ + state.setColumType(COLUMN_NORMAL_TYPE); + } + + state.setClientId(grid.getClientId(context)); + state.setPart(HEADER_PART); + state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); + state.setFrozenPart(isFrozen); + state.setClientId(grid.getClientId(context)); + state.setSepOffset(new Integer(0)); + ColumnWalker.iterateOverColumns(context, grid, headerCellRenderer, writer, state); + } + + public void renderFooters(FacesContext context, UIScrollableGrid grid, boolean isFrozen) throws IOException{ + + ResponseWriter writer = context.getResponseWriter(); + final GridRendererState state = GridRendererState.getRendererState(context); + + if(isFrozen){ + state.setColumType(COLUMN_FROZEN_TYPE); + }else{ + state.setColumType(COLUMN_NORMAL_TYPE); + } + + state.setClientId(grid.getClientId(context)); + state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); + state.setFrozenPart(isFrozen); + int colsCount = ColumnWalker.iterateOverColumns(context, grid, footerCellRenderer, writer, state); + int rowsCount = grid.getRowCount(); + + ComponentVariables variables = ComponentsVariableResolver.getVariables(this, grid); + variables.setVariable("rows_count", new Integer(rowsCount)); + variables.setVariable("columns_count", new Integer(colsCount)); + + } + + public void setUpState(FacesContext context, UIScrollableGrid grid) { + GridRendererState.createState(context, grid); + } + + public void tearDownState(FacesContext context){ + GridRendererState.restoreState(context); + } + + public String getRowsAjaxUpdate(FacesContext context, UIScrollableGrid grid){ + + JSFunction function = AjaxRendererUtils.buildAjaxFunction(grid, context); + Map options = AjaxRendererUtils.buildEventOptions(context, grid); + + function.addParameter(options); + String completeFunction = function.toScript()+"; return false;"; + return completeFunction; + + } + + protected void doDecode(FacesContext context, UIComponent component) { + + super.doDecode(context, component); + + if(component instanceof UIScrollableGrid){ + + UIScrollableGrid grid = (UIScrollableGrid)component; + ExternalContext externalContext = context.getExternalContext(); + String clientId = grid.getClientId(context) + "_state_input"; + + Map parameters = externalContext.getRequestParameterMap(); + if(parameters.containsKey(clientId)){ + + String submitedState = (String)parameters.get(clientId); + String [] values = submitedState.split(","); + grid.setRow_count(new Integer(Integer.parseInt(values[0]))); + grid.setDataIndex(new Integer(Integer.parseInt(values[1]))); + grid.setStartRow(new Integer(Integer.parseInt(values[2]))); + grid.queueEvent(new AjaxEvent(grid)); + + } + + } + + } + + public void renderAjaxChildren(FacesContext context, UIComponent component)throws IOException{ + + UIScrollableGrid grid = (UIScrollableGrid)component; + + GridRendererState state = GridRendererState.createState(context, grid); + grid.setFirst(grid.getDataIndex().intValue()); + int old = grid.getRows(); + state.set_loadedRowsCount(old); + + grid.setRows(grid.getRow_count().intValue()); + int start_row = grid.getStartRow().intValue(); + + AjaxContext ajaxContext = AjaxContext.getCurrentInstance(context); + String client_id = grid.getClientId(context); + state.setClientId(client_id); + state.setAjaxContext(ajaxContext); + state.setRowIndex(start_row); + grid.walk(context, ajaxRowsRenderer, state); + grid.setRows(old); + } + + public void encodeChildren(FacesContext context, UIComponent component + ) throws IOException { + + AjaxContext ajaxContext = AjaxContext.getCurrentInstance(); + if(ajaxContext.isAjaxRequest()){ + renderAjaxChildren(context, component); + }else{ + super.encodeChildren(context, component); + } + + } + + public void encodeBegin(FacesContext context, UIComponent component) throws IOException { + + if(component instanceof UIScrollableGrid){ + UIScrollableGrid grid = (UIScrollableGrid)component; + setUpState(context, grid); + } + + AjaxContext ajaxContext = AjaxContext.getCurrentInstance(); + if(ajaxContext.isAjaxRequest()){ + }else{ + super.encodeBegin(context, component); + } + + } + + public void encodeEnd(FacesContext context, UIComponent component) throws IOException { + + AjaxContext ajaxContext = AjaxContext.getCurrentInstance(); + if(ajaxContext.isAjaxRequest()){ + }else{ + super.encodeEnd(context, component); + } + + } + + public void setUpColumnsWidth(FacesContext context, UIScrollableGrid grid) throws IOException{ + GridRendererState state = GridRendererState.getRendererState(context); + state.setFrozenColumnCount(((Integer)grid.getAttributes().get("frozenColCount")).intValue()); + ColumnWalker.iterateOverColumns(context, grid, columnsWidthCounter, null, state); + ComponentVariables variables = ComponentsVariableResolver.getVariables(this, grid); + int sumWidth = state.getSumWidth() + 20; + variables.setVariable("sumWidth", new Integer(sumWidth)); + } + + private RendererBase getCellTemplate() { + if (cellTemplate == null) { + cellTemplate = TemplateLoader.loadTemplate("org.richfaces.renderkit.html.ScrollableGridCellRenderer"); + } + return cellTemplate; + } + + private RendererBase getHeaderCellTemplate() { + + if (headerCellTemplate == null) { + headerCellTemplate = TemplateLoader.loadTemplate("org.richfaces.renderkit.html.ScrollableGridHeaderCellRenderer"); + } + return headerCellTemplate; + } + + private RendererBase getFooterCellTemplate() { + + if (footerCellTemplate == null) { + footerCellTemplate = TemplateLoader.loadTemplate("org.richfaces.renderkit.html.ScrollableGridFooterCellRenderer"); + } + return footerCellTemplate; + } +}