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129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
#include "connector.hpp"
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#include "../../view/settings/view.hpp"
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#include "../../view/settings/page.hpp"
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CSMSettings::Connector::Connector(CSVSettings::View *master,
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QObject *parent)
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: QObject(parent), mMasterView (master)
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{}
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void CSMSettings::Connector::addSlaveView (CSVSettings::View *view,
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QList <QStringList> &masterProxyValues)
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{
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mSlaveViews.append (view);
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mProxyListMap[view->viewKey()].append (masterProxyValues);
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}
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QList <QStringList> CSMSettings::Connector::getSlaveViewValues() const
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{
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QList <QStringList> list;
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foreach (const CSVSettings::View *view, mSlaveViews)
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list.append (view->selectedValues());
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return list;
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}
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bool CSMSettings::Connector::proxyListsMatch (
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const QList <QStringList> &list1,
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const QList <QStringList> &list2) const
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{
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bool success = true;
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for (int i = 0; i < list1.size(); i++)
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{
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success = stringListsMatch (list1.at(i), list2.at(i));
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if (!success)
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break;
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}
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return success;
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}
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void CSMSettings::Connector::slotUpdateMaster() const
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{
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//list of the current values for each slave.
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QList <QStringList> slaveValueList = getSlaveViewValues();
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int masterColumn = -1;
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/*
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* A row in the master view is one of the values in the
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* master view's data model. This corresponds directly to the number of
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* values in a proxy list contained in the ProxyListMap member.
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* Thus, we iterate each "column" in the master proxy list
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* (one for each vlaue in the master. Each column represents
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* one master value's corresponding list of slave values. We examine
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* each master value's list, comparing it to the current slave value list,
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* stopping when we find a match using proxyListsMatch().
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*
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* If no match is found, clear the master view's value
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*/
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for (int i = 0; i < mMasterView->rowCount(); i++)
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{
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QList <QStringList> proxyValueList;
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foreach (const QString &settingKey, mProxyListMap.keys())
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{
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// append the proxy value list stored in the i'th column
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// for each setting key. A setting key is the id of the setting
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// in page.name format.
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proxyValueList.append (mProxyListMap.value(settingKey).at(i));
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}
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if (proxyListsMatch (slaveValueList, proxyValueList))
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{
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masterColumn = i;
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break;
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}
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}
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QString masterValue = mMasterView->value (masterColumn);
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mMasterView->setSelectedValue (masterValue);
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}
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void CSMSettings::Connector::slotUpdateSlaves() const
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{
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int row = mMasterView->currentIndex();
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if (row == -1)
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return;
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//iterate the proxy lists for the chosen master index
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//and pass the list to each slave for updating
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for (int i = 0; i < mSlaveViews.size(); i++)
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{
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QList <QStringList> proxyList =
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mProxyListMap.value(mSlaveViews.at(i)->viewKey());
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mSlaveViews.at(i)->setSelectedValues (proxyList.at(row));
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}
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}
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bool CSMSettings::Connector::stringListsMatch (
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const QStringList &list1,
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const QStringList &list2) const
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{
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//returns a "sloppy" match, verifying that each list contains all the same
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//items, though not necessarily in the same order.
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if (list1.size() != list2.size())
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return false;
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QStringList tempList(list2);
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//iterate each value in the list, removing one occurrence of the value in
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//the other list. If no corresponding value is found, test fails
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foreach (const QString &value, list1)
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{
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if (!tempList.contains(value))
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return false;
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tempList.removeOne(value);
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}
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return true;
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}
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