com.viaoa.jsp.OATable Maven / Gradle / Ivy
/* Copyright 1999 Vince Via [email protected]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.viaoa.jsp;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.viaoa.hub.Hub;
import com.viaoa.object.OAObject;
import com.viaoa.util.OAConv;
import com.viaoa.util.OAString;
/**
* Ajax table component, supports binding, editors, custom event handling.
* @author vvia
*
*/
public class OATable implements OAJspComponent {
private static final long serialVersionUID = 1L;
private Hub hub;
private String id;
private OAForm form;
private boolean bEnabled = true;
private boolean bVisible = true;
private boolean bAjaxSubmit=true;
private boolean bSubmit=false;
private String forwardUrl;
private OATablePager pager;
private ArrayList alColumns = new ArrayList();
private int lastHubPos=-1;
private Hub hubLast;
private Hub hubSelect;
private String selectTitle;
private int scrollTop;
private int scrollLeft;
private String lastAjaxSent;
private int width;
private int height;
private int charWidth = 8; // single X char width in pixels - default is to use table.charWidth
protected String visiblePropertyPath;
public OATable(String id, Hub hub) {
this.id = id;
this.hub = hub;
}
public OATable(Hub hub) {
this.hub = hub;
}
public Hub getHub() {
return hub;
}
public Hub getSelectHub() {
return hubSelect;
}
public void setSelectHub(Hub h) {
this.hubSelect = h;
}
public void setSelectTitle(String title) {
this.selectTitle = title;
}
public String getSelectTitle() {
return this.selectTitle;
}
/** width of a single character. Used to compute the width based on columns, defaults to 12 */
public void setAverageCharWidth(int w) {
charWidth = w;
}
public int getAverageCharWidth() {
return charWidth;
}
public void setSize(int width, int height) {
this.width = width;
this.height = height;
}
public void setPager(int scrollAmt, int maxCount, int pageDisplayCount, boolean bTop, boolean bBottom) {
pager = new OATablePager(hub, scrollAmt, maxCount, pageDisplayCount, bTop, bBottom);
}
public void addColumn(OATableColumn col) {
alColumns.add(col);
col.table = this;
}
public void addColumn(String propertyPath, String heading, int columns, String format) {
OATableColumn col = new OATableColumn(propertyPath, heading, columns, format);
this.addColumn(col);
col.table = this;
}
public void addColumn(String propertyPath, String heading, int columns) {
OATableColumn col = new OATableColumn(propertyPath, heading, columns, null);
this.addColumn(col);
col.table = this;
}
public void addColumn(String[] propertyPaths, String heading, int columns) {
OATableColumn col = new OATableColumn(propertyPaths, heading, columns);
this.addColumn(col);
col.table = this;
}
public void setForwardUrl(String forwardUrl) {
this.forwardUrl = forwardUrl;
}
public String getForwardUrl() {
return this.forwardUrl;
}
@Override
public boolean isChanged() {
return false;
}
@Override
public String getId() {
return id;
}
@Override
public void setId(String id) {
this.id = id;
}
@Override
public void reset() {
// TODO Auto-generated method stub
}
@Override
public void setForm(OAForm form) {
this.form = form;
}
@Override
public OAForm getForm() {
return this.form;
}
@Override
public boolean _beforeFormSubmitted() {
for (OATableColumn tc : alColumns) {
OATableEditor te = tc.getEditor();
if (te instanceof OAJspComponent) {
((OAJspComponent)te)._beforeFormSubmitted();
}
}
return true;
}
private String submitUpdateScript;
private String submitHref;
@Override
public boolean _onFormSubmitted(HttpServletRequest req, HttpServletResponse resp, HashMap hmNameValue) {
for (OATableColumn tc : alColumns) {
OATableEditor te = tc.getEditor();
if (te instanceof OAJspComponent) {
((OAJspComponent)te)._onFormSubmitted(req, resp, hmNameValue);
}
}
boolean bWasSubmitted = _myOnSubmit(req, resp, hmNameValue);
return bWasSubmitted;
}
protected boolean _myOnSubmit(HttpServletRequest req, HttpServletResponse resp, HashMap hmNameValue) {
Enumeration enumx = req.getParameterNames();
String name = null;
OAObject obj = null;
String[] values = null;
for (Map.Entry ex : hmNameValue.entrySet()) {
name = ex.getKey();
if (!name.equalsIgnoreCase("oahidden"+id)) continue;
values = ex.getValue();
break;
}
String s = req.getParameter("oahidden"+id+"Scroller");
scrollLeft = scrollTop = 0;
if (s != null) {
int pos = s.indexOf(',');
if (pos > 0) {
scrollLeft = Integer.valueOf(s.substring(0,pos));
scrollTop = Integer.valueOf(s.substring(pos+1));
}
}
if (values == null || values.length == 0 || OAString.isEmpty(values[0])) {
return false;
}
String value = values[0];
submitHref = req.getParameter("oacommand");
if (submitHref != null && submitHref.startsWith("href=")) {
submitHref = submitHref.substring(5);
}
else {
submitHref = null;
}
if (hubSelect != null) {
int min = 0;
int max = -1;
if (pager != null) {
min = pager.getTopRow();
max = (min + pager.getScrollAmount()) - 1;;
}
ArrayList al = new ArrayList();
enumx = req.getParameterNames();
String[] ss = req.getParameterValues("table"+id+"check");
if (ss != null) {
for (String sx : ss) {
if (sx != null && sx.length() > 3 && sx.startsWith("row")) {
int x = OAConv.toInt(sx.substring(3));
al.add(x);
}
}
}
for (Object objx : hubSelect) {
int pos = hub.getPos(objx);
if (pos < min || pos > max) continue;
if (!al.contains(pos)) {
hubSelect.remove(objx);
}
}
for (Integer pos : al) {
Object objx = hub.getAt(pos);
if (!hubSelect.contains(objx)) hubSelect.add(objx);
}
}
if (value.charAt(0) == 'P') {
if (pager == null) return false;
int page = OAConv.toInt(value.substring(1));
pager.currentPage = page;
submitUpdateScript = null;
scrollLeft = scrollTop = 0;
return true;
}
int row = OAConv.toInt(value);
hub.setPos(row);
submitUpdateScript = "$('#oahidden"+id+"').val('');";
submitUpdateScript += "$('table#oa"+id+" tbody tr:even').each(function(i) { if ($(this).attr('class') != 'oatableDisable') $(this).attr('class', 'oatableEven');});";
submitUpdateScript += "$('table#oa"+id+" tbody tr:odd').each(function(i) { if ($(this).attr('class') != 'oatableDisable') $(this).attr('class', 'oatableOdd');});";
int topRow = (pager == null) ? 0 : pager.getTopRow();
if (hub.getPos() >= 0) {
s = " tr:nth-child("+( (hub.getPos()-topRow)+1)+")";
submitUpdateScript += "$('table#oa"+id+s+"').attr('class', 'oatableSelected');";
}
return true; // true if this caused the form submit
}
@Override
public String _afterFormSubmitted(String forwardUrl) {
for (OATableColumn tc : alColumns) {
OATableEditor te = tc.getEditor();
if (te instanceof OAJspComponent) {
String s = ((OAJspComponent)te)._afterFormSubmitted(forwardUrl);
if (!OAString.isEmpty(s)) forwardUrl = s;
}
}
return afterFormSubmitted(forwardUrl);
}
@Override
public String afterFormSubmitted(String forwardUrl) {
for (OATableColumn tc : alColumns) {
OATableEditor te = tc.getEditor();
if (te instanceof OAJspComponent) {
String s = ((OAJspComponent)te).afterFormSubmitted(forwardUrl);
if (!OAString.isEmpty(s)) forwardUrl = s;
}
}
return forwardUrl;
}
@Override
public String _onSubmit(String forwardUrl) {
if (submitHref != null) forwardUrl = this.submitHref;
return onSubmit(forwardUrl);
}
@Override
public String onSubmit(String forwardUrl) {
return forwardUrl;
}
public void setAjaxSubmit(boolean b) {
bAjaxSubmit = b;
if (b) setSubmit(false);
}
public boolean getAjaxSubmit() {
return bAjaxSubmit;
}
public void setSubmit(boolean b) {
if (b) setAjaxSubmit(false);
bSubmit = b;
}
public boolean getSubmit() {
return bSubmit;
}
@Override
public String getScript() {
for (OATableColumn tc : alColumns) {
OATableEditor te = tc.getEditor();
if (te instanceof OAJspComponent) {
OAForm f = ((OAJspComponent)te).getForm();
if (f != this.form) {
((OAJspComponent)te).setForm(getForm());
}
}
}
lastAjaxSent = null;
submitUpdateScript = null;
StringBuilder sb = new StringBuilder(1024);
sb.append("$('form').prepend(\"\");\n");
if (width > 0 && height > 0) {
sb.append("$('form').prepend(\"\");\n");
}
//qqqqqqqqqqqqqqqqq
sb.append("function oatable"+id+"RowClick() {\n");
sb.append(" var v = $(this).attr('oarow');\n");
sb.append(" if (v == null) return;\n");
// dont submit if it is already the AO
sb.append(" if ($(this).hasClass('oatableSelected')) {\n");
sb.append(" if (!$(this).attr('href')) return;\n");
sb.append(" }\n");
sb.append(" $('#oahidden"+id+"').val(v);\n");
if (getAjaxSubmit() && OAString.isEmpty(forwardUrl)) {
sb.append(" ajaxSubmit();\n");
}
else {
sb.append(" $('form').submit();\n");
}
sb.append("}\n");
if (pager != null) {
sb.append("function oatable"+id+"PagerClick() {\n");
sb.append(" var v = $(this).attr('class');\n");
sb.append(" if (v == 'oatablePagerDisable') return;\n");
sb.append(" if (v == 'oatablePagerSelected') return;\n");
sb.append(" \n");
sb.append(" v = $(this).attr('oaValue');\n");
sb.append(" if (typeof v == 'undefined') {\n");
sb.append(" v = $(this).html();\n");
sb.append(" }\n");
sb.append(" if (v == null) return;\n");
sb.append(" $('#oahidden"+id+"').val('P'+v);\n");
sb.append(" ajaxSubmit();\n");
sb.append("}\n");
}
// used by: $('table#oa"+id+" tr td a').click(oatable"+id+"Click1");
sb.append("function oatable"+id+"Click1() {\n");
sb.append(" var v = $(this).parents('tr').attr('oarow');\n");
sb.append(" if (v == null) return;\n");
sb.append(" $('#oahidden"+id+"').val(v);\n");
sb.append(" if ($(this).attr('target').length > 0) {\n");
sb.append(" return true;\n");
sb.append(" }\n");
sb.append(" if ($(this).attr('tabindex').length > 0) {\n");
sb.append(" return true;\n");
sb.append(" }\n");
sb.append(" $('#oacommand').val('href='+$(this).attr('href'));\n");
sb.append(" $('form').submit();\n");
sb.append(" $('#oacommand').val('');\n");
sb.append(" return false;\n");
sb.append("}\n");
if (hubSelect != null) {
// used by: $('table#oa"+id+" tr td input:checkbox').click(oatable"+id+"Click2");
sb.append("function oatable"+id+"Click2(event) {\n");
sb.append(" event.stopPropagation();");
sb.append(" return true;");
sb.append("}");
// used by: "$('table#oa"+id+" tr td:nth-child(2)').click(");
sb.append("function oatable"+id+"Click3(event) {\n");
// sb.append(" event.stopPropagation();");
sb.append(" return false;");
sb.append("}");
}
sb.append(getAjaxScript());
String js = sb.toString();
return js;
}
@Override
public String getVerifyScript() {
// TODO Auto-generated method stub
return null;
}
@Override
public String getAjaxScript() {
int x;
Hub h = hub.getSharedHub();
if (h != hubLast) {
if (hubLast != null) {
scrollLeft = scrollTop = 0;
if (pager != null) {
pager.setCurrentPage(0);
}
if (hubSelect != null) hubSelect.clear();
}
hubLast = h;
}
int scrollAmt = (pager == null) ? hub.getSize() : pager.getScrollAmount();
if (hub.getPos() != lastHubPos) {
lastHubPos = hub.getPos();
if (pager != null) {
x = pager.getScrollAmount();
x = lastHubPos < 1 ? 0 : (int) Math.floor(lastHubPos/((double)x));
pager.setCurrentPage(x);
}
}
int topRow = (pager == null) ? 0 : pager.getTopRow();
if (submitUpdateScript != null) {
String s = submitUpdateScript;
submitUpdateScript = null;
// check to see if editors are being used
x = hub.getPos();
if (x >= topRow && x < topRow+scrollAmt) {
for (OATableColumn col : alColumns) {
OATableEditor ed = col.getEditor();
if (ed != null) {
s = null;
break;
}
}
}
if (s != null) return s;
}
StringBuilder sb = new StringBuilder(2048);
int colCount = alColumns.size();
int colSpan = colCount + 1;
if (hubSelect != null) {
colSpan++;
}
if (width > 0 && height > 0) {
if (pager != null) {
if (pager.isTop() && pager.isBottom()) {
sb.append("");
}
else if (pager.isBottom()) {
sb.append("");
}
else { // top
sb.append("");
}
}
else {
sb.append("");
}
sb.append("");
}
if (width > 0 && height > 0) {
sb.append(""); // must be fixed so heading & rows will align
}
else sb.append("");
// THEAD
if (pager != null && pager.isTop()) {
if (width > 0 && height > 0) {
sb.append("");
sb.append(pager.getHtml());
sb.append(" ");
sb.append(pager.getHtml());
sb.append(" # ");
if (hubSelect != null) {
if (selectTitle != null) {
x = selectTitle.length() + 1;
sb.append(""+selectTitle+" ");
}
else sb.append(" ");
}
for (OATableColumn col : alColumns) {
String s = col.getHtml(hub, hub.getAO(), 0, true);
if (s == null) s = "";
sb.append("");
sb.append("");
sb.append(" ");
sb.append(pager.getHtml());
sb.append(" ");
sb.append(" ");
if (hubSelect != null) {
if (selectTitle != null) x = selectTitle.length() + 1;
else x = 2;
sb.append(" ");
}
for (int i=0; i 0 && height > 0) {
sb.append(" ");
continue;
}
String s = "";
if (obj == hub.getAO()) s = " class='oatableSelected'";
s += " oarow='"+(topRow+row)+"'";
sb.append(""+(topRow+row+1)+" ");
if (hubSelect != null) {
if (selectTitle != null) x = selectTitle.length() + 1;
else x = 2;
sb.append("
");
if (width > 0 && height > 0) {
sb.append("");
sb.append("");
}
String strTable = sb.toString();
/*
strTable = Util.convert(strTable, "\\", "\\\\");
//20140130 this was commented out
strTable = Util.convert(strTable, "\r\n", "
");
strTable = Util.convert(strTable, "\n", "
");
strTable = Util.convert(strTable, "\r", "
");
//end
strTable = Util.convert(strTable, "'", "\\'");
*/
/* 20171022 removed
// if txt is long, then split into multiple lines
x = strTable.length();
if (x > 100) {
StringBuilder sbx = new StringBuilder(x+20);
int amt = 80;
for (int i=0; i= x) {
amt = x - i;
sbx.append(strTable.substring(i, i+amt));
break;
}
if (strTable.charAt(i+amt-1) == '\\') amt--;
sbx.append(strTable.substring(i, i+amt) + "\"+\n\"");
}
strTable = sbx.toString();
}
*/
sb = new StringBuilder(strTable.length() + 2048);
strTable = OAJspUtil.createJsString(strTable, '\"');
sb.append("$('#"+id+"').html(\""+strTable+"\");\n");
sb.append("$('table#oa"+id+" tbody tr').find('td:first').addClass('oatableColumnCount');\n");
sb.append("$('table#oa"+id+" tbody tr:even').each(function(i) { if ($(this).attr('class') != 'oatableDisable') $(this).attr('class', 'oatableEven');});");
sb.append("$('table#oa"+id+" tbody tr:odd').each(function(i) { if ($(this).attr('class') != 'oatableDisable') $(this).attr('class', 'oatableOdd');});");
if (hub.getPos() >= 0) {
sb.append("$('table#oa"+id+" tr:nth-child("+((hub.getPos()-topRow)+1)+")').attr('class', 'oatableSelected');\n");
}
sb.append("$('table#oa"+id+" tr').click(oatable"+id+"RowClick);\n");
//20120915
sb.append("$('table#oa"+id+" tr td a').click(oatable"+id+"Click1);\n");
if (hubSelect != null) {
sb.append("$('table#oa"+id+" tr td input:checkbox').click(oatable"+id+"Click2);");
sb.append("$('table#oa"+id+" tr td:nth-child(2)').click(oatable"+id+"Click3);\n");
}
sb.append("$('#oa"+id+"').addClass('oaSubmit');\n");
if (pager != null) {
sb.append("$('table#oa"+id+" .oatablePager ul li').click(oatable"+id+"PagerClick);\n");
}
sb.append("$('#oahidden"+id+"').val('');"); // set back to blank
if (width > 0 && height > 0) {
sb.append("$('#oahidden"+id+"Scroller').val('');"); // set back to blank
}
// 20120917 get editor code
int min = 0;
int max = -1;
if (pager != null) {
min = pager.getTopRow();
max = (min + pager.getScrollAmount()) - 1;;
}
int pos = hub.getPos();
if ((max == -1 && pos >= 0) || (pos >= min && pos <= max)) {
for (OATableColumn tc : alColumns) {
OATableEditor te = tc.getEditor();
if (te instanceof OAJspComponent) {
String s = ((OAJspComponent)te).getAjaxScript();
sb.append(s);
}
}
}
// capture scroll Positions
if (width > 0 && height > 0) {
sb.append("$('#"+id+"Scroller').scroll(function() {");
sb.append(" $('#"+id+" thead').css('left', '-'+$(this).scrollLeft()+'px');");
sb.append(" $('#oahidden"+id+"Scroller').val($(this).scrollLeft() +','+ $(this).scrollTop());\n");
sb.append("});");
}
if (width > 0 && height > 0) {
// set unscrolling header and footer
sb.append("$(document).ready(function() {");
sb.append(" var h = $('#oa"+id+" thead').height();");
sb.append(" if (h) $('div#"+id+"Scroller1').css('padding-top', h+'px');");
sb.append(" h = $('#oa"+id+" tfoot').height();");
sb.append(" if (h) $('div#"+id+"Scroller1').css('padding-bottom', h+'px');");
sb.append("});");
}
if (getVisible()) sb.append("$('#" + id + "').show();\n");
else sb.append("$('#" + id + "').hide();\n");
String js = sb.toString();
if (lastAjaxSent != null && lastAjaxSent.equals(js)) js = null;
else lastAjaxSent = js;
if (js != null && (width > 0 && height > 0) && (scrollLeft != 0 || scrollTop != 0)) {
sb.append("$('#"+id+"Scroller').scrollLeft("+scrollLeft+");");
sb.append("$('#"+id+"Scroller').scrollTop("+scrollTop+");");
js = sb.toString();
}
return js;
}
protected int getPxWidth(int columns) {
return columns * charWidth;
}
protected int getPxWidth(OATableColumn col) {
int x = col.getAverageCharWidth();
if (x <= 0) x = this.charWidth;
return col.getColumns() * x;
}
@Override
public void setEnabled(boolean b) {
this.bEnabled = b;
}
@Override
public boolean getEnabled() {
return bEnabled && hub != null && hub.getAO() != null;
}
@Override
public void setVisible(boolean b) {
this.bVisible = b;
}
@Override
public boolean getVisible() {
if (!bVisible) return false;
if (hub == null) return bVisible;
if (OAString.isEmpty(visiblePropertyPath)) return bVisible;
OAObject obj = (OAObject) hub.getAO();
if (obj == null) return false;
Object value = obj.getPropertyAsString(visiblePropertyPath);
boolean b = OAConv.toBoolean(value);
return b;
}
public void setScrollPosition(int left, int top) {
this.scrollLeft = left;
this.scrollTop = top;
}
public int getScrollTop() {
return scrollTop;
}
public int getScrollLeft() {
return scrollLeft;
}
@Override
public String getEditorHtml(OAObject obj) {
return null;
}
@Override
public String getRenderHtml(OAObject obj) {
return null;
}
@Override
public void _beforeOnSubmit() {
}
public static void main(String[] args) {
// if txt is long, then split into multiple lines
String strTable = "this is \"\"\"\"\"\"\"a test\" \'\"a";
//strTable = Util.convert(strTable, "'", "\\'");
int x = strTable.length();
StringBuilder sbx = new StringBuilder(x+20);
int amt = 4;
for (int i=0; i= x) {
amt = x - i;
sbx.append(strTable.substring(i, i+amt));
break;
}
if (strTable.charAt(i+amt-1) == '\\') amt--;
sbx.append(strTable.substring(i, i+amt) + "\'+\n\'");
}
strTable = sbx.toString();
strTable = OAJspUtil.createJsString(strTable, '\"');
String s = ("$('#id').html(\""+strTable+"\");");
System.out.println("==>"+s);
}
public String getVisiblePropertyPath() {
return visiblePropertyPath;
}
public void setVisiblePropertyPath(String visiblePropertyPath) {
this.visiblePropertyPath = visiblePropertyPath;
}
}
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