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package org.kuali.student.common.ui.client.widgets.rules; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Map; |
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import org.kuali.student.common.ui.client.configurable.mvc.SectionTitle; |
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import org.kuali.student.common.ui.client.mvc.Callback; |
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import org.kuali.student.common.ui.client.widgets.KSButton; |
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import org.kuali.student.common.ui.client.widgets.KSButtonAbstract; |
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import org.kuali.student.common.ui.client.widgets.KSLabel; |
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import org.kuali.student.common.ui.client.widgets.dialog.ConfirmationDialog; |
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import org.kuali.student.common.ui.client.widgets.field.layout.element.SpanPanel; |
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import org.kuali.student.core.statement.dto.StatementOperatorTypeKey; |
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import org.kuali.student.core.statement.dto.StatementTreeViewInfo; |
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import com.google.gwt.event.dom.client.ClickEvent; |
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import com.google.gwt.event.dom.client.ClickHandler; |
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import com.google.gwt.user.client.ui.FlowPanel; |
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import com.google.gwt.user.client.ui.Widget; |
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|
22 | 0 | public class RulePreviewWidget extends FlowPanel { |
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|
25 | 0 | private SpanPanel rulePanel = new SpanPanel(); |
26 | 0 | private KSButton editButton = new KSButton("Edit", KSButtonAbstract.ButtonStyle.DEFAULT_ANCHOR); |
27 | 0 | private SpanPanel separator = new SpanPanel(" | "); |
28 | 0 | private KSButton deleteButton = new KSButton("Delete", KSButtonAbstract.ButtonStyle.DEFAULT_ANCHOR); |
29 | 0 | private KSButton addSubRuleBtn = new KSButton("Add a Rule", KSButtonAbstract.ButtonStyle.FORM_SMALL); |
30 | 0 | private List<SubrulePreviewWidget> subRulePreviewWidgets = new ArrayList<SubrulePreviewWidget>(); |
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private Map<String, Widget> clusetWidgets; |
32 | 0 | private SectionTitle progReqHeader = SectionTitle.generateH4Title(""); |
33 | 0 | private KSLabel ruleDescLabel = new KSLabel(); |
34 | 0 | private SpanPanel actions = new SpanPanel(); |
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private StatementTreeViewInfo stmtTreeInfo; |
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private boolean isReadOnly; |
39 | 0 | private boolean addRuleOperator = false; |
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private Integer internalProgReqID; |
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private Callback<SubRuleInfo> editSubRuleCallback; |
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private Callback<Integer> deleteSubRuleCallback; |
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public RulePreviewWidget(Integer internalProgReqID, String ruleName, String ruleCreditsText, String ruleDesc, StatementTreeViewInfo stmtTreeInfo, |
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Boolean isReadOnly, Map<String, Widget> clusetWidgets) { |
47 | 0 | super(); |
48 | 0 | this.internalProgReqID = internalProgReqID; |
49 | 0 | this.stmtTreeInfo = stmtTreeInfo; |
50 | 0 | this.isReadOnly = isReadOnly; |
51 | 0 | this.clusetWidgets = clusetWidgets; |
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|
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|
54 | 0 | this.addStyleName("KS-Rule-Preview-Box"); |
55 | 0 | progReqHeader.setStyleName("KS-Rule-Preview-header"); |
56 | 0 | ruleDescLabel.addStyleName("KS-Rule-Preview-Desc"); |
57 | 0 | if (!isReadOnly) { |
58 | 0 | buildEditActionsWidget(); |
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} |
60 | 0 | updateProgInfoFields(ruleName, ruleCreditsText, ruleDesc); |
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|
62 | 0 | displayRule(); |
63 | 0 | } |
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public void updateProgInfoFields(String ruleName, String ruleCreditsText, String ruleDesc) { |
66 | 0 | progReqHeader.clear(); |
67 | 0 | progReqHeader.setHTML("<b>" + ruleName + "</b>" + " " + ruleCreditsText); |
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|
69 | 0 | if (!isReadOnly) { |
70 | 0 | progReqHeader.add(actions); |
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} |
72 | 0 | ruleDescLabel.setText(ruleDesc); |
73 | 0 | } |
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|
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private void displayRule() { |
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|
77 | 0 | buildRuleHeader(); |
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|
80 | 0 | if (stmtTreeInfo == null) { |
81 | 0 | displayNoRule(); |
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} |
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|
84 | 0 | if ((stmtTreeInfo.getStatements() == null) || (stmtTreeInfo.getStatements().isEmpty())) { |
85 | 0 | if ((stmtTreeInfo.getReqComponents() == null) || (stmtTreeInfo.getReqComponents().isEmpty())) { |
86 | 0 | displayNoRule(); |
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} else { |
88 | 0 | addSubRule(stmtTreeInfo); |
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} |
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} else { |
91 | 0 | for (final StatementTreeViewInfo subTree : stmtTreeInfo.getStatements()) { |
92 | 0 | addSubRule(subTree); |
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} |
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} |
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|
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|
97 | 0 | SpanPanel spacer = new SpanPanel(); |
98 | 0 | spacer.addStyleName("KS-Rule-Last-Preview-Spacer"); |
99 | 0 | rulePanel.add(spacer); |
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|
102 | 0 | if (!isReadOnly) { |
103 | 0 | addSubRuleBtn.addStyleName("KS-Rule-Preview-Add-Subrule"); |
104 | 0 | rulePanel.add(addSubRuleBtn); |
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} |
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|
107 | 0 | this.add(rulePanel); |
108 | 0 | } |
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|
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private void displayNoRule() { |
111 | 0 | KSLabel noRulesAddedYet = new KSLabel("No rules have been added yet."); |
112 | 0 | noRulesAddedYet.addStyleName("KS-Rule-Preview-NoRule"); |
113 | 0 | rulePanel.add(noRulesAddedYet); |
114 | 0 | } |
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private void addSubRule(final StatementTreeViewInfo subTree) { |
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118 | 0 | if (addRuleOperator) { |
119 | 0 | buildANDOperator(stmtTreeInfo.getOperator()); |
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} |
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|
122 | 0 | final SubrulePreviewWidget newSubRuleWidget = new SubrulePreviewWidget(subTree, isReadOnly, clusetWidgets); |
123 | 0 | subRulePreviewWidgets.add(newSubRuleWidget); |
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|
125 | 0 | newSubRuleWidget.addEditButtonClickHandler(new ClickHandler(){ |
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public void onClick(ClickEvent event) { |
127 | 0 | SubRuleInfo subRuleInfo = new SubRuleInfo(); |
128 | 0 | subRuleInfo.setSubrule(subTree); |
129 | 0 | subRuleInfo.setInternalProgReqID(internalProgReqID); |
130 | 0 | editSubRuleCallback.exec(subRuleInfo); |
131 | 0 | } |
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}); |
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|
134 | 0 | newSubRuleWidget.addDeleteButtonClickHandler(new ClickHandler(){ |
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public void onClick(ClickEvent event) { |
136 | 0 | final ConfirmationDialog dialog = new ConfirmationDialog("Delete Requirement", "Are you sure you want to delete this requirement?"); |
137 | 0 | dialog.getConfirmButton().addClickHandler(new ClickHandler(){ |
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@Override |
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public void onClick(ClickEvent event) { |
140 | 0 | removeSubRule(newSubRuleWidget, subTree); |
141 | 0 | dialog.hide(); |
142 | 0 | deleteSubRuleCallback.exec(internalProgReqID); |
143 | 0 | } |
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}); |
145 | 0 | dialog.show(); |
146 | 0 | } |
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}); |
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|
149 | 0 | rulePanel.add(newSubRuleWidget); |
150 | 0 | addRuleOperator = true; |
151 | 0 | } |
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public void removeSubRule(SubrulePreviewWidget subRuleWidget, StatementTreeViewInfo subTree) { |
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156 | 0 | List<StatementTreeViewInfo> statements = stmtTreeInfo.getStatements(); |
157 | 0 | statements.remove(subTree); |
158 | 0 | subRulePreviewWidgets.remove(subRuleWidget); |
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|
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|
161 | 0 | rulePanel.remove(subRuleWidget); |
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|
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|
164 | 0 | int numberOfOperators = 0; |
165 | 0 | boolean lastWidgetIsSubRule = true; |
166 | 0 | boolean foundSubRule = false; |
167 | 0 | int counter = 0; |
168 | 0 | Widget widget = null; |
169 | 0 | Widget widgetToRemove = null; |
170 | 0 | Widget lastOperatorWidget = null; |
171 | 0 | for (Object aRulePanel : rulePanel) { |
172 | 0 | counter++; |
173 | 0 | widget = (Widget) aRulePanel; |
174 | 0 | if (widget instanceof KSLabel) { |
175 | 0 | if (((KSLabel) widget).getText().equals("AND") || ((KSLabel) widget).getText().equals("OR")) { |
176 | 0 | lastWidgetIsSubRule = false; |
177 | 0 | lastOperatorWidget = widget; |
178 | 0 | numberOfOperators++; |
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|
180 | 0 | if ((numberOfOperators > 1) || (counter == 1) || !foundSubRule) { |
181 | 0 | widgetToRemove = widget; |
182 | 0 | numberOfOperators--; |
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} |
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} |
185 | 0 | } else if (widget instanceof SubrulePreviewWidget) { |
186 | 0 | foundSubRule = true; |
187 | 0 | lastWidgetIsSubRule = true; |
188 | 0 | numberOfOperators = 0; |
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} |
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} |
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|
192 | 0 | if (!lastWidgetIsSubRule) { |
193 | 0 | rulePanel.remove(lastOperatorWidget); |
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} |
195 | 0 | if (widgetToRemove != null) { |
196 | 0 | rulePanel.remove(widgetToRemove); |
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} |
198 | 0 | } |
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private void buildRuleHeader() { |
201 | 0 | rulePanel.clear(); |
202 | 0 | rulePanel.addStyleName("KS-Rule-Preview-Box1"); |
203 | 0 | rulePanel.add(progReqHeader); |
204 | 0 | rulePanel.add(ruleDescLabel); |
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|
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|
207 | 0 | SectionTitle header = SectionTitle.generateH6Title(""); |
208 | 0 | header.setHTML("Must meet <b>all of the following</b> rules"); |
209 | 0 | header.setStyleName("KS-Rule-Preview-header-Subrule"); |
210 | 0 | header.getElement().setAttribute("style", "font-weight: normal"); |
211 | 0 | rulePanel.add(header); |
212 | 0 | } |
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|
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private void buildEditActionsWidget() { |
215 | 0 | actions.add(editButton); |
216 | 0 | actions.add(separator); |
217 | 0 | actions.add(deleteButton); |
218 | 0 | actions.addStyleName("KS-Rule-Preview-header-action"); |
219 | 0 | } |
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|
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private void buildANDOperator(StatementOperatorTypeKey operator) { |
222 | 0 | KSLabel andLabel = new KSLabel((operator == StatementOperatorTypeKey.AND ? "AND" : "OR")); |
223 | 0 | andLabel.addStyleName("KS-Rule-Preview-Operator"); |
224 | 0 | rulePanel.add(andLabel); |
225 | 0 | } |
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public void addProgReqEditButtonClickHandler(ClickHandler handler) { |
228 | 0 | editButton.addClickHandler(handler); |
229 | 0 | } |
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public void addProgReqDeleteButtonClickHandler(ClickHandler handler) { |
232 | 0 | deleteButton.addClickHandler(handler); |
233 | 0 | } |
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public void addSubRuleAddButtonClickHandler(ClickHandler handler) { |
236 | 0 | addSubRuleBtn.addClickHandler(handler); |
237 | 0 | } |
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public void addSubRuleEditButtonClickHandler(Callback<SubRuleInfo> callback) { |
240 | 0 | this.editSubRuleCallback = callback; |
241 | 0 | } |
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public void addSubRuleDeleteCallback(Callback<Integer> callback) { |
244 | 0 | this.deleteSubRuleCallback = callback; |
245 | 0 | } |
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public StatementTreeViewInfo getStatementTreeViewInfo() { |
248 | 0 | return stmtTreeInfo; |
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} |
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public Integer getInternalProgReqID() { |
252 | 0 | return internalProgReqID; |
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} |
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|
255 | 0 | public class SubRuleInfo { |
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private StatementTreeViewInfo subrule; |
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private Integer internalProgReqID; |
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public StatementTreeViewInfo getSubrule() { |
261 | 0 | return subrule; |
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} |
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public void setSubrule(StatementTreeViewInfo subrule) { |
265 | 0 | this.subrule = subrule; |
266 | 0 | } |
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public Integer getInternalProgReqID() { |
269 | 0 | return internalProgReqID; |
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} |
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public void setInternalProgReqID(Integer internalProgReqID) { |
273 | 0 | this.internalProgReqID = internalProgReqID; |
274 | 0 | } |
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} |
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} |